diff --git a/src/Makefile.qt.include b/src/Makefile.qt.include
index 854257d03cf1..8561587c1fc1 100644
--- a/src/Makefile.qt.include
+++ b/src/Makefile.qt.include
@@ -355,6 +355,26 @@ RES_CSS = \
   qt/res/css/scrollbars.css \
   qt/res/css/trad.css
 
+RES_FONTS = \
+  qt/res/fonts/Montserrat/Montserrat-Black.otf \
+  qt/res/fonts/Montserrat/Montserrat-BlackItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Bold.otf \
+  qt/res/fonts/Montserrat/Montserrat-BoldItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-ExtraBold.otf \
+  qt/res/fonts/Montserrat/Montserrat-ExtraBoldItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-ExtraLight.otf \
+  qt/res/fonts/Montserrat/Montserrat-ExtraLightItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Italic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Light.otf \
+  qt/res/fonts/Montserrat/Montserrat-LightItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Medium.otf \
+  qt/res/fonts/Montserrat/Montserrat-MediumItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Regular.otf \
+  qt/res/fonts/Montserrat/Montserrat-SemiBold.otf \
+  qt/res/fonts/Montserrat/Montserrat-SemiBoldItalic.otf \
+  qt/res/fonts/Montserrat/Montserrat-Thin.otf \
+  qt/res/fonts/Montserrat/Montserrat-ThinItalic.otf
+
 RES_MOVIES = $(wildcard $(srcdir)/qt/res/movies/spinner-*.png)
 
 BITCOIN_RC = qt/res/dash-qt-res.rc
@@ -367,7 +387,7 @@ qt_libdashqt_a_CXXFLAGS = $(AM_CXXFLAGS) $(QT_PIE_FLAGS)
 qt_libdashqt_a_OBJCXXFLAGS = $(AM_OBJCXXFLAGS) $(QT_PIE_FLAGS)
 
 qt_libdashqt_a_SOURCES = $(BITCOIN_QT_CPP) $(BITCOIN_QT_H) $(QT_FORMS_UI) \
-  $(QT_QRC) $(QT_QRC_LOCALE) $(QT_TS) $(PROTOBUF_PROTO) $(RES_ICONS) $(RES_IMAGES) $(RES_CSS) $(RES_MOVIES)
+  $(QT_QRC) $(QT_QRC_LOCALE) $(QT_TS) $(PROTOBUF_PROTO) $(RES_ICONS) $(RES_IMAGES) $(RES_CSS) $(RES_FONTS) $(RES_MOVIES)
 
 nodist_qt_libdashqt_a_SOURCES = $(QT_MOC_CPP) $(QT_MOC) $(PROTOBUF_CC) \
   $(PROTOBUF_H) $(QT_QRC_CPP) $(QT_QRC_LOCALE_CPP)
@@ -430,7 +450,7 @@ $(QT_QRC_LOCALE_CPP): $(QT_QRC_LOCALE) $(QT_QM)
 	  $(SED) -e '/^\*\*.*Created:/d' -e '/^\*\*.*by:/d' > $@
 	@rm $(@D)/temp_$(<F)
 
-$(QT_QRC_CPP): $(QT_QRC) $(QT_FORMS_H) $(RES_ICONS) $(RES_IMAGES) $(RES_CSS) $(RES_MOVIES) $(PROTOBUF_H)
+$(QT_QRC_CPP): $(QT_QRC) $(QT_FORMS_H) $(RES_ICONS) $(RES_IMAGES) $(RES_CSS) $(RES_FONTS) $(RES_MOVIES) $(PROTOBUF_H)
 	@test -f $(RCC)
 	$(AM_V_GEN) QT_SELECT=$(QT_SELECT) $(RCC) $(RCCFLAGS) -name dash $< | \
 	  $(SED) -e '/^\*\*.*Created:/d' -e '/^\*\*.*by:/d' > $@
diff --git a/src/qt/addressbookpage.cpp b/src/qt/addressbookpage.cpp
index 34a553540ae2..5a5fe1ac3cc9 100644
--- a/src/qt/addressbookpage.cpp
+++ b/src/qt/addressbookpage.cpp
@@ -143,6 +143,8 @@ AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode _mode,
     connect(ui->tableView, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(contextualMenu(QPoint)));
 
     connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(accept()));
+
+    GUIUtil::updateFonts();
 }
 
 AddressBookPage::~AddressBookPage()
diff --git a/src/qt/askpassphrasedialog.cpp b/src/qt/askpassphrasedialog.cpp
index edad38b8e6a9..c0dcfb63e8c0 100644
--- a/src/qt/askpassphrasedialog.cpp
+++ b/src/qt/askpassphrasedialog.cpp
@@ -11,6 +11,7 @@
 #include <qt/forms/ui_askpassphrasedialog.h>
 
 #include <qt/guiconstants.h>
+#include <qt/guiutil.h>
 #include <qt/walletmodel.h>
 
 #include <support/allocators/secure.h>
@@ -28,6 +29,10 @@ AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent) :
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->capsLabel}, GUIUtil::FontWeight::Bold);
+
+    GUIUtil::updateFonts();
+
     ui->passEdit1->setMinimumSize(ui->passEdit1->sizeHint());
     ui->passEdit2->setMinimumSize(ui->passEdit2->sizeHint());
     ui->passEdit3->setMinimumSize(ui->passEdit3->sizeHint());
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 837b574146f7..5cac47942031 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -398,6 +398,9 @@ void BitcoinGUI::createActions()
     connect(historyAction, SIGNAL(clicked()), this, SLOT(showNormalIfMinimized()));
     connect(historyAction, SIGNAL(clicked()), this, SLOT(gotoHistoryPage()));
 
+    for (auto button : tabGroup->buttons()) {
+        GUIUtil::setFont({button}, GUIUtil::FontWeight::Normal, 16);
+    }
     // Give the selected tab button a bolder font.
     connect(tabGroup, SIGNAL(buttonToggled(QAbstractButton *, bool)), this, SLOT(highlightTabButton(QAbstractButton *, bool)));
 #endif // ENABLE_WALLET
@@ -925,9 +928,7 @@ void BitcoinGUI::openClicked()
 
 void BitcoinGUI::highlightTabButton(QAbstractButton *button, bool checked)
 {
-    QFont font = button->font();
-    font.setBold(checked);
-    button->setFont(font);
+    GUIUtil::setFont({button}, checked ? GUIUtil::FontWeight::Bold : GUIUtil::FontWeight::Normal, 16);
 }
 
 void BitcoinGUI::gotoOverviewPage()
@@ -1616,7 +1617,7 @@ UnitDisplayStatusBarControl::UnitDisplayStatusBarControl(const PlatformStyle *pl
     setToolTip(tr("Unit to show amounts in. Click to select another unit."));
     QList<BitcoinUnits::Unit> units = BitcoinUnits::availableUnits();
     int max_width = 0;
-    const QFontMetrics fm(font());
+    const QFontMetrics fm(GUIUtil::getFontNormal());
     for (const BitcoinUnits::Unit unit : units)
     {
         max_width = qMax(max_width, fm.width(BitcoinUnits::name(unit)));
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
index 606465b3d1e0..69e4e6ffa095 100644
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -54,6 +54,17 @@ CoinControlDialog::CoinControlDialog(const PlatformStyle *_platformStyle, QWidge
     /* Open CSS when configured */
     this->setStyleSheet(GUIUtil::loadStyleSheet());
 
+    GUIUtil::setFont({ui->labelCoinControlQuantityText,
+                      ui->labelCoinControlBytesText,
+                      ui->labelCoinControlAmountText,
+                      ui->labelCoinControlLowOutputText,
+                      ui->labelCoinControlFeeText,
+                      ui->labelCoinControlAfterFeeText,
+                      ui->labelCoinControlChangeText
+                     }, GUIUtil::FontWeight::Bold);
+
+    GUIUtil::updateFonts();
+
     // context menu actions
     QAction *copyAddressAction = new QAction(tr("Copy address"), this);
     QAction *copyLabelAction = new QAction(tr("Copy label"), this);
diff --git a/src/qt/dash.cpp b/src/qt/dash.cpp
index fee5ad059fa4..e22daa30a4ea 100644
--- a/src/qt/dash.cpp
+++ b/src/qt/dash.cpp
@@ -272,6 +272,9 @@ bool BitcoinCore::baseInitialize()
     {
         return false;
     }
+    if (!GUIUtil::loadFonts()) {
+        return false;
+    }
     return true;
 }
 
@@ -691,6 +694,51 @@ int main(int argc, char *argv[])
     // Load GUI settings from QSettings
     app.createOptionsModel(gArgs.GetBoolArg("-resetguisettings", false));
 
+    // Validate/set font family
+    if (gArgs.IsArgSet("-font-family")) {
+        GUIUtil::FontFamily family;
+        QString strFamily = gArgs.GetArg("-font-family", GUIUtil::fontFamilyToString(GUIUtil::getFontFamilyDefault()).toStdString()).c_str();
+        try {
+            family = GUIUtil::fontFamilyFromString(strFamily);
+        } catch (const std::exception& e) {
+            QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
+                                  QObject::tr("Error: Specified font-family invalid. Valid values: %1.").arg("SystemDefault, Montserrat"));
+            return EXIT_FAILURE;
+        }
+        GUIUtil::setFontFamily(family);
+    }
+    // Validate/set normal font weight
+    if (gArgs.IsArgSet("-font-weight-normal")) {
+        QFont::Weight weight;
+        if (!GUIUtil::weightFromArg(gArgs.GetArg("-font-weight-normal", GUIUtil::weightToArg(GUIUtil::getFontWeightNormal())), weight)) {
+            QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
+                                  QObject::tr("Error: Specified font-weight-normal invalid. Valid range %1 to %2.").arg(0).arg(8));
+            return EXIT_FAILURE;
+        }
+        GUIUtil::setFontWeightNormal(weight);
+    }
+    // Validate/set bold font weight
+    if (gArgs.IsArgSet("-font-weight-bold")) {
+        QFont::Weight weight;
+        if (!GUIUtil::weightFromArg(gArgs.GetArg("-font-weight-bold", GUIUtil::weightToArg(GUIUtil::getFontWeightBold())), weight)) {
+            QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
+                                  QObject::tr("Error: Specified font-weight-bold invalid. Valid range %1 to %2.").arg(0).arg(8));
+            return EXIT_FAILURE;
+        }
+        GUIUtil::setFontWeightBold(weight);
+    }
+    // Validate/set font scale
+    if (gArgs.IsArgSet("-font-scale")) {
+        const int nScaleMin = -100, nScaleMax = 100;
+        int nScale = gArgs.GetArg("-font-scale", GUIUtil::getFontScale());
+        if (nScale < nScaleMin || nScale > nScaleMax) {
+            QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
+                                  QObject::tr("Error: Specified font-scale invalid. Valid range %1 to %2.").arg(nScaleMin).arg(nScaleMax));
+            return EXIT_FAILURE;
+        }
+        GUIUtil::setFontScale(nScale);
+    }
+
     // Subscribe to global signals from core
     uiInterface.InitMessage.connect(InitMessage);
 
diff --git a/src/qt/dash.qrc b/src/qt/dash.qrc
index b66c470d61ac..2d4ba4a8c4aa 100644
--- a/src/qt/dash.qrc
+++ b/src/qt/dash.qrc
@@ -58,6 +58,26 @@
         <file alias="general">res/css/general.css</file>
         <file alias="scrollbars">res/css/scrollbars.css</file>
     </qresource>
+    <qresource prefix="/fonts">
+        <file alias="Montserrat-Black">res/fonts/Montserrat/Montserrat-Black.otf</file>
+        <file alias="Montserrat-BlackItalic">res/fonts/Montserrat/Montserrat-BlackItalic.otf</file>
+        <file alias="Montserrat-Bold">res/fonts/Montserrat/Montserrat-Bold.otf</file>
+        <file alias="Montserrat-BoldItalic">res/fonts/Montserrat/Montserrat-BoldItalic.otf</file>
+        <file alias="Montserrat-ExtraBold">res/fonts/Montserrat/Montserrat-ExtraBold.otf</file>
+        <file alias="Montserrat-ExtraBoldItalic">res/fonts/Montserrat/Montserrat-ExtraBoldItalic.otf</file>
+        <file alias="Montserrat-ExtraLight">res/fonts/Montserrat/Montserrat-ExtraLight.otf</file>
+        <file alias="Montserrat-ExtraLightItalic">res/fonts/Montserrat/Montserrat-ExtraLightItalic.otf</file>
+        <file alias="Montserrat-Italic">res/fonts/Montserrat/Montserrat-Italic.otf</file>
+        <file alias="Montserrat-Light">res/fonts/Montserrat/Montserrat-Light.otf</file>
+        <file alias="Montserrat-LightItalic">res/fonts/Montserrat/Montserrat-LightItalic.otf</file>
+        <file alias="Montserrat-Medium">res/fonts/Montserrat/Montserrat-Medium.otf</file>
+        <file alias="Montserrat-MediumItalic">res/fonts/Montserrat/Montserrat-MediumItalic.otf</file>
+        <file alias="Montserrat-Regular">res/fonts/Montserrat/Montserrat-Regular.otf</file>
+        <file alias="Montserrat-SemiBold">res/fonts/Montserrat/Montserrat-SemiBold.otf</file>
+        <file alias="Montserrat-SemiBoldItalic">res/fonts/Montserrat/Montserrat-SemiBoldItalic.otf</file>
+        <file alias="Montserrat-Thin">res/fonts/Montserrat/Montserrat-Thin.otf</file>
+        <file alias="Montserrat-ThinItalic">res/fonts/Montserrat/Montserrat-ThinItalic.otf</file>
+    </qresource>
     <qresource prefix="/themes">
         <file alias="Dark">res/css/dark.css</file>
         <file alias="Light">res/css/light.css</file>
diff --git a/src/qt/forms/askpassphrasedialog.ui b/src/qt/forms/askpassphrasedialog.ui
index 69803989cd13..67fee3cd3dea 100644
--- a/src/qt/forms/askpassphrasedialog.ui
+++ b/src/qt/forms/askpassphrasedialog.ui
@@ -101,12 +101,6 @@
      </item>
      <item row="4" column="1">
       <widget class="QLabel" name="capsLabel">
-       <property name="font">
-        <font>
-         <weight>75</weight>
-         <bold>true</bold>
-        </font>
-       </property>
        <property name="text">
         <string/>
        </property>
diff --git a/src/qt/forms/coincontroldialog.ui b/src/qt/forms/coincontroldialog.ui
index e5cf02c62c41..7d226fd6a226 100644
--- a/src/qt/forms/coincontroldialog.ui
+++ b/src/qt/forms/coincontroldialog.ui
@@ -38,12 +38,6 @@
        </property>
        <item row="0" column="0">
         <widget class="QLabel" name="labelCoinControlQuantityText">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Quantity:</string>
          </property>
@@ -67,12 +61,6 @@
        </item>
        <item row="1" column="0">
         <widget class="QLabel" name="labelCoinControlBytesText">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Bytes:</string>
          </property>
@@ -112,12 +100,6 @@
        </property>
        <item row="0" column="0">
         <widget class="QLabel" name="labelCoinControlAmountText">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Amount:</string>
          </property>
@@ -144,12 +126,6 @@
          <property name="enabled">
           <bool>false</bool>
          </property>
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Dust:</string>
          </property>
@@ -192,12 +168,6 @@
        </property>
        <item row="0" column="0">
         <widget class="QLabel" name="labelCoinControlFeeText">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Fee:</string>
          </property>
@@ -237,12 +207,6 @@
        </property>
        <item row="0" column="0">
         <widget class="QLabel" name="labelCoinControlAfterFeeText">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>After Fee:</string>
          </property>
@@ -269,12 +233,6 @@
          <property name="enabled">
           <bool>false</bool>
          </property>
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Change:</string>
          </property>
diff --git a/src/qt/forms/debugwindow.ui b/src/qt/forms/debugwindow.ui
index ee3f74dbe159..704cc66ad99b 100644
--- a/src/qt/forms/debugwindow.ui
+++ b/src/qt/forms/debugwindow.ui
@@ -29,12 +29,6 @@
        </property>
        <item row="0" column="0">
         <widget class="QLabel" name="label_9">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>General</string>
          </property>
@@ -166,12 +160,6 @@
        </item>
        <item row="6" column="0">
            <widget class="QLabel" name="labelNetwork">
-               <property name="font">
-                   <font>
-                       <weight>75</weight>
-                       <bold>true</bold>
-                   </font>
-               </property>
                <property name="text">
                    <string>Network</string>
                </property>
@@ -248,12 +236,6 @@
        </item>
        <item row="10" column="0">
         <widget class="QLabel" name="label_10">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Block chain</string>
          </property>
@@ -307,12 +289,6 @@
        </item>
        <item row="13" column="0">
         <widget class="QLabel" name="labelMempoolTitle">
-         <property name="font">
-          <font>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="text">
           <string>Memory Pool</string>
          </property>
@@ -936,11 +912,6 @@
              <height>32</height>
             </size>
            </property>
-           <property name="font">
-            <font>
-             <pointsize>12</pointsize>
-            </font>
-           </property>
            <property name="cursor">
             <cursorShape>IBeamCursor</cursorShape>
            </property>
@@ -996,13 +967,6 @@
            <height>32</height>
           </size>
          </property>
-         <property name="font">
-          <font>
-           <pointsize>10</pointsize>
-           <weight>75</weight>
-           <bold>true</bold>
-          </font>
-         </property>
          <property name="cursor">
           <cursorShape>IBeamCursor</cursorShape>
          </property>
@@ -1572,12 +1536,6 @@
          <height>41</height>
         </rect>
        </property>
-       <property name="font">
-        <font>
-         <weight>50</weight>
-         <bold>false</bold>
-        </font>
-       </property>
        <property name="text">
         <string>The buttons below will restart the wallet with command-line options to repair the wallet, fix issues with corrupt blockhain files or missing/obsolete transactions.</string>
        </property>
@@ -1674,13 +1632,6 @@
          <height>16</height>
         </rect>
        </property>
-       <property name="font">
-        <font>
-         <pointsize>10</pointsize>
-         <weight>75</weight>
-         <bold>true</bold>
-        </font>
-       </property>
        <property name="text">
         <string>Wallet repair options.</string>
        </property>
diff --git a/src/qt/forms/modaloverlay.ui b/src/qt/forms/modaloverlay.ui
index 7bf5a7a1f853..b39222017986 100644
--- a/src/qt/forms/modaloverlay.ui
+++ b/src/qt/forms/modaloverlay.ui
@@ -140,12 +140,6 @@
              </item>
              <item>
               <widget class="QLabel" name="infoTextStrong">
-               <property name="font">
-                <font>
-                 <weight>75</weight>
-                 <bold>true</bold>
-                </font>
-               </property>
                <property name="text">
                 <string>Attempting to spend Dash that are affected by not-yet-displayed transactions will not be accepted by the network.</string>
                </property>
@@ -203,12 +197,6 @@
            </property>
            <item row="0" column="0">
             <widget class="QLabel" name="labelNumberOfBlocksLeft">
-             <property name="font">
-              <font>
-               <weight>75</weight>
-               <bold>true</bold>
-              </font>
-             </property>
              <property name="text">
               <string>Number of blocks left</string>
              </property>
@@ -223,12 +211,6 @@
            </item>
            <item row="1" column="0">
             <widget class="QLabel" name="labelLastBlockTime">
-             <property name="font">
-              <font>
-               <weight>75</weight>
-               <bold>true</bold>
-              </font>
-             </property>
              <property name="text">
               <string>Last block time</string>
              </property>
@@ -249,12 +231,6 @@
            </item>
            <item row="2" column="0">
             <widget class="QLabel" name="labelSyncDone">
-             <property name="font">
-              <font>
-               <weight>75</weight>
-               <bold>true</bold>
-              </font>
-             </property>
              <property name="text">
               <string>Progress</string>
              </property>
@@ -283,12 +259,6 @@
            </item>
            <item row="4" column="0">
             <widget class="QLabel" name="labelProgressIncrease">
-             <property name="font">
-              <font>
-               <weight>75</weight>
-               <bold>true</bold>
-              </font>
-             </property>
              <property name="text">
               <string>Progress increase per hour</string>
              </property>
@@ -303,12 +273,6 @@
            </item>
            <item row="5" column="0">
             <widget class="QLabel" name="labelEstimatedTimeLeft">
-             <property name="font">
-              <font>
-               <weight>75</weight>
-               <bold>true</bold>
-              </font>
-             </property>
              <property name="text">
               <string>Estimated time left until synced</string>
              </property>
diff --git a/src/qt/forms/optionsdialog.ui b/src/qt/forms/optionsdialog.ui
index 03d446e415cc..4a2c81dba90d 100644
--- a/src/qt/forms/optionsdialog.ui
+++ b/src/qt/forms/optionsdialog.ui
@@ -908,12 +908,6 @@ https://www.transifex.com/projects/p/dash/</string>
          <height>0</height>
         </size>
        </property>
-       <property name="font">
-        <font>
-         <weight>75</weight>
-         <bold>true</bold>
-        </font>
-       </property>
        <property name="text">
         <string/>
        </property>
diff --git a/src/qt/forms/overviewpage.ui b/src/qt/forms/overviewpage.ui
index af5626b88f56..3be30dad4a46 100644
--- a/src/qt/forms/overviewpage.ui
+++ b/src/qt/forms/overviewpage.ui
@@ -56,12 +56,6 @@
            <layout class="QHBoxLayout" name="horizontalLayout_4">
             <item>
              <widget class="QLabel" name="label_5">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="text">
                <string>Balances</string>
               </property>
@@ -102,12 +96,6 @@
             </property>
             <item row="2" column="2">
              <widget class="QLabel" name="labelWatchPending">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -127,12 +115,6 @@
             </item>
             <item row="2" column="1">
              <widget class="QLabel" name="labelUnconfirmed">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -152,12 +134,6 @@
             </item>
             <item row="3" column="2">
              <widget class="QLabel" name="labelWatchImmature">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -210,12 +186,6 @@
             </item>
             <item row="3" column="1">
              <widget class="QLabel" name="labelImmature">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -255,12 +225,6 @@
             </item>
             <item row="5" column="1">
              <widget class="QLabel" name="labelTotal">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -280,12 +244,6 @@
             </item>
             <item row="5" column="2">
              <widget class="QLabel" name="labelWatchTotal">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -322,12 +280,6 @@
             </item>
             <item row="1" column="1">
              <widget class="QLabel" name="labelBalance">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -347,12 +299,6 @@
             </item>
             <item row="1" column="2">
              <widget class="QLabel" name="labelWatchAvailable">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="cursor">
                <cursorShape>IBeamCursor</cursorShape>
               </property>
@@ -408,12 +354,6 @@
            <layout class="QHBoxLayout" name="horizontalLayout_5">
             <item>
              <widget class="QLabel" name="labelPrivateSendHeader">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="text">
                <string>PrivateSend</string>
               </property>
@@ -501,12 +441,6 @@
             </item>
             <item row="2" column="1">
              <widget class="QLabel" name="labelAnonymized">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="text">
                <string notr="true">0 DASH</string>
               </property>
@@ -608,12 +542,6 @@
            <layout class="QHBoxLayout" name="horizontalLayout_2">
             <item>
              <widget class="QLabel" name="label_4">
-              <property name="font">
-               <font>
-                <weight>75</weight>
-                <bold>true</bold>
-               </font>
-              </property>
               <property name="text">
                <string>Recent transactions</string>
               </property>
diff --git a/src/qt/forms/qrdialog.ui b/src/qt/forms/qrdialog.ui
index 8366b7c857a6..dae494ccc825 100644
--- a/src/qt/forms/qrdialog.ui
+++ b/src/qt/forms/qrdialog.ui
@@ -13,12 +13,6 @@
   <layout class="QVBoxLayout" name="verticalLayout_3">
    <item>
     <widget class="QLabel" name="labelQRCodeTitle">
-     <property name="font">
-      <font>
-       <weight>75</weight>
-       <bold>true</bold>
-      </font>
-     </property>
      <property name="text">
       <string>QR-Code Title</string>
      </property>
diff --git a/src/qt/forms/receivecoinsdialog.ui b/src/qt/forms/receivecoinsdialog.ui
index 5ee764446afc..fa6c1f182250 100644
--- a/src/qt/forms/receivecoinsdialog.ui
+++ b/src/qt/forms/receivecoinsdialog.ui
@@ -201,12 +201,6 @@
      <layout class="QVBoxLayout" name="verticalLayout_2">
       <item>
        <widget class="QLabel" name="label_6">
-        <property name="font">
-         <font>
-          <weight>75</weight>
-          <bold>true</bold>
-         </font>
-        </property>
         <property name="text">
          <string>Requested payments history</string>
         </property>
diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index 4f00c759ad94..b1e08ca05c93 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -77,15 +77,6 @@
               <verstretch>0</verstretch>
              </sizepolicy>
             </property>
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">font-weight:bold;</string>
-            </property>
             <property name="text">
              <string>Coin Control Features</string>
             </property>
@@ -126,15 +117,6 @@
           </item>
           <item>
            <widget class="QLabel" name="labelCoinControlInsuffFunds">
-            <property name="font">
-             <font>
-              <weight>75</weight>
-              <bold>true</bold>
-             </font>
-            </property>
-            <property name="styleSheet">
-             <string notr="true">font-weight:bold;</string>
-            </property>
             <property name="text">
              <string>Insufficient funds!</string>
             </property>
@@ -218,12 +200,6 @@
                </property>
                <item row="0" column="0">
                 <widget class="QLabel" name="labelCoinControlQuantityText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Quantity:</string>
                  </property>
@@ -253,12 +229,6 @@
                </item>
                <item row="1" column="0">
                 <widget class="QLabel" name="labelCoinControlBytesText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Bytes:</string>
                  </property>
@@ -301,12 +271,6 @@
                </property>
                <item row="0" column="0">
                 <widget class="QLabel" name="labelCoinControlAmountText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Amount:</string>
                  </property>
@@ -333,12 +297,6 @@
                </item>
                <item row="1" column="0">
                 <widget class="QLabel" name="labelCoinControlLowOutputText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Dust:</string>
                  </property>
@@ -381,12 +339,6 @@
                </property>
                <item row="0" column="0">
                 <widget class="QLabel" name="labelCoinControlFeeText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Fee:</string>
                  </property>
@@ -432,12 +384,6 @@
                </property>
                <item row="0" column="0">
                 <widget class="QLabel" name="labelCoinControlAfterFeeText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>After Fee:</string>
                  </property>
@@ -464,12 +410,6 @@
                </item>
                <item row="1" column="0">
                 <widget class="QLabel" name="labelCoinControlChangeText">
-                 <property name="font">
-                  <font>
-                   <weight>75</weight>
-                   <bold>true</bold>
-                  </font>
-                 </property>
                  <property name="text">
                   <string>Change:</string>
                  </property>
@@ -714,15 +654,6 @@
                   <verstretch>0</verstretch>
                  </sizepolicy>
                 </property>
-                <property name="font">
-                 <font>
-                  <weight>75</weight>
-                  <bold>true</bold>
-                 </font>
-                </property>
-                <property name="styleSheet">
-                 <string notr="true">font-weight:bold;</string>
-                </property>
                 <property name="text">
                  <string>Transaction Fee:</string>
                 </property>
@@ -762,12 +693,6 @@
               <property name="toolTip">
                <string>Using the fallbackfee can result in sending a transaction that will take several hours or days (or never) to confirm. Consider choosing your fee manually or wait until you have validated the complete chain.</string>
               </property>
-              <property name="font">
-              <font>
-                  <weight>75</weight>
-                  <bold>true</bold>
-              </font>
-              </property>
               <property name="text">
                <string>Note: Not enough data for fee estimation, using the fallback fee instead.</string>
               </property>
diff --git a/src/qt/forms/signverifymessagedialog.ui b/src/qt/forms/signverifymessagedialog.ui
index 90446e553dca..c0fa1f717239 100644
--- a/src/qt/forms/signverifymessagedialog.ui
+++ b/src/qt/forms/signverifymessagedialog.ui
@@ -110,11 +110,6 @@
          </property>
          <item>
           <widget class="QLineEdit" name="signatureOut_SM">
-           <property name="font">
-            <font>
-             <italic>true</italic>
-            </font>
-           </property>
            <property name="readOnly">
             <bool>true</bool>
            </property>
@@ -178,12 +173,6 @@
          </item>
          <item>
           <widget class="QLabel" name="statusLabel_SM">
-           <property name="font">
-            <font>
-             <weight>75</weight>
-             <bold>true</bold>
-            </font>
-           </property>
            <property name="text">
             <string/>
            </property>
@@ -309,12 +298,6 @@
          </item>
          <item>
           <widget class="QLabel" name="statusLabel_VM">
-           <property name="font">
-            <font>
-             <weight>75</weight>
-             <bold>true</bold>
-            </font>
-           </property>
            <property name="text">
             <string/>
            </property>
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index 9f69e9dd9835..6d75c56c52a6 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -16,6 +16,7 @@
 #include <protocol.h>
 #include <script/script.h>
 #include <script/standard.h>
+#include <ui_interface.h>
 #include <util.h>
 
 #ifdef WIN32
@@ -42,6 +43,7 @@
 #include <QApplication>
 #include <QClipboard>
 #include <QDateTime>
+#include <QDebug>
 #include <QDesktopServices>
 #include <QDesktopWidget>
 #include <QDoubleValidator>
@@ -85,6 +87,37 @@ static const QString defaultTheme = "Light";
 // The prefix a theme name should have if we want to apply dark colors and styles to it
 static const QString darkThemePrefix = "Dark";
 
+/** Font related default values. */
+static const FontFamily defaultFontFamily = FontFamily::SystemDefault;
+static const int defaultFontSize = 12;
+static const double fontScaleSteps = 0.01;
+#ifdef Q_OS_MAC
+static const QFont::Weight defaultFontWeightNormal = QFont::ExtraLight;
+static const QFont::Weight defaultFontWeightBold = QFont::Medium;
+static const int defaultFontScale = 0;
+#else
+static const QFont::Weight defaultFontWeightNormal = QFont::Light;
+static const QFont::Weight defaultFontWeightBold = QFont::Medium;
+static const int defaultFontScale = 0;
+#endif
+
+/** Font related variables. */
+// Application font family. May be overwritten by -font-family.
+static FontFamily fontFamily = defaultFontFamily;
+// Application font scale value. May be overwritten by -font-scale.
+static int fontScale = defaultFontScale;
+// Application font weight for normal text. May be overwritten by -font-weight-normal.
+static QFont::Weight fontWeightNormal = defaultFontWeightNormal;
+// Application font weight for bold text. May be overwritten by -font-weight-bold.
+static QFont::Weight fontWeightBold = defaultFontWeightBold;
+
+// Contains all widgets and its font attributes (weight, italic) with font changes due to GUIUtil::setFont
+static std::map<QWidget*, std::pair<FontWeight, bool>> mapNormalFontUpdates;
+// Contains all widgets where a fixed pitch font has been set with GUIUtil::setFixedPitchFont
+static std::set<QWidget*> setFixedPitchFontUpdates;
+// Contains all widgets where a non-default fontsize has been seet with GUIUtil::setFont
+static std::map<QWidget*, int> mapFontSizeUpdates;
+
 static const std::map<ThemedColor, QColor> themedColors = {
     { ThemedColor::DEFAULT, QColor(0, 0, 0) },
     { ThemedColor::UNCONFIRMED, QColor(128, 128, 128) },
@@ -149,7 +182,11 @@ QString dateTimeStr(qint64 nTime)
 
 QFont fixedPitchFont()
 {
-    return QFontDatabase::systemFont(QFontDatabase::FixedFont);
+    if (dashThemeActive()) {
+        return getFontNormal();
+    } else {
+        return QFontDatabase::systemFont(QFontDatabase::FixedFont);
+    }
 }
 
 // Just some dummy data to generate a convincing random-looking (but consistent) address
@@ -174,7 +211,7 @@ void setupAddressWidget(QValidatedLineEdit *widget, QWidget *parent, bool fAllow
 {
     parent->setFocusProxy(widget);
 
-    widget->setFont(fixedPitchFont());
+    setFixedPitchFont({widget});
     // We don't want translators to use own addresses in translations
     // and this is the only place, where this address is supplied.
     widget->setPlaceholderText(QObject::tr("Enter a Dash address (e.g. %1)").arg(
@@ -978,6 +1015,394 @@ QString loadStyleSheet()
     return *stylesheet.get();
 }
 
+FontFamily fontFamilyFromString(const QString& strFamily)
+{
+    if (strFamily == "SystemDefault") {
+        return FontFamily::SystemDefault;
+    }
+    if (strFamily == "Montserrat") {
+        return FontFamily::Montserrat;
+    }
+    throw std::invalid_argument(strprintf("Invalid font-family: %s", strFamily.toStdString()));
+}
+
+QString fontFamilyToString(FontFamily family)
+{
+    switch (family) {
+    case FontFamily::SystemDefault:
+        return "SystemDefault";
+    case FontFamily::Montserrat:
+        return "Montserrat";
+    default:
+        assert(false);
+    }
+}
+
+void setFontFamily(FontFamily family)
+{
+    fontFamily = family;
+    updateFonts();
+}
+
+FontFamily getFontFamilyDefault()
+{
+    return defaultFontFamily;
+}
+
+FontFamily getFontFamily()
+{
+    return fontFamily;
+}
+
+bool weightFromArg(int nArg, QFont::Weight& weight)
+{
+    const std::map<int, QFont::Weight> mapWeight{
+        {0, QFont::Thin},
+        {1, QFont::ExtraLight},
+        {2, QFont::Light},
+        {3, QFont::Normal},
+        {4, QFont::Medium},
+        {5, QFont::DemiBold},
+        {6, QFont::Bold},
+        {7, QFont::ExtraBold},
+        {8, QFont::Black}
+    };
+    auto it = mapWeight.find(nArg);
+    if (it == mapWeight.end()) {
+        return false;
+    }
+    weight = it->second;
+    return true;
+}
+
+int weightToArg(const QFont::Weight weight)
+{
+    const std::map<QFont::Weight, int> mapWeight{
+        {QFont::Thin, 0},
+        {QFont::ExtraLight, 1},
+        {QFont::Light, 2},
+        {QFont::Normal, 3},
+        {QFont::Medium, 4},
+        {QFont::DemiBold, 5},
+        {QFont::Bold, 6},
+        {QFont::ExtraBold, 7},
+        {QFont::Black, 8}
+    };
+    assert(mapWeight.count(weight));
+    return mapWeight.find(weight)->second;
+}
+
+QFont::Weight getFontWeightNormalDefault()
+{
+    return defaultFontWeightNormal;
+}
+
+QFont::Weight toQFontWeight(FontWeight weight)
+{
+    return weight == FontWeight::Bold ? getFontWeightBold() : getFontWeightNormal();
+}
+
+QFont::Weight getFontWeightNormal()
+{
+    return fontWeightNormal;
+}
+
+void setFontWeightNormal(QFont::Weight weight)
+{
+    fontWeightNormal = weight;
+    updateFonts();
+}
+
+QFont::Weight getFontWeightBoldDefault()
+{
+    return defaultFontWeightBold;
+}
+
+QFont::Weight getFontWeightBold()
+{
+    return fontWeightBold;
+}
+
+void setFontWeightBold(QFont::Weight weight)
+{
+    fontWeightBold = weight;
+    updateFonts();
+}
+
+int getFontScaleDefault()
+{
+    return defaultFontScale;
+}
+
+int getFontScale()
+{
+    return fontScale;
+}
+
+void setFontScale(int nScale)
+{
+    fontScale = nScale;
+    updateFonts();
+}
+
+double getScaledFontSize(int nSize)
+{
+    return (nSize * (1 + (fontScale * fontScaleSteps)));
+}
+
+bool loadFonts()
+{
+    QString family = fontFamilyToString(FontFamily::Montserrat);
+    QString italic = "Italic";
+
+    std::map<QString, bool> mapStyles{
+        {"Thin", true},
+        {"ExtraLight", true},
+        {"Light", true},
+        {"Italic", false},
+        {"Regular", false},
+        {"Medium", true},
+        {"SemiBold", true},
+        {"Bold", true},
+        {"ExtraBold", true},
+        {"Black", true},
+    };
+
+    QFontDatabase database;
+    std::vector<int> vecFontIds;
+
+    for (const auto& it : mapStyles) {
+        QString font = ":fonts/" + family + "-" + it.first;
+        vecFontIds.push_back(QFontDatabase::addApplicationFont(font));
+        qDebug() << __func__ << ": " << font << " loaded with id " << vecFontIds.back();
+        if (it.second) {
+            vecFontIds.push_back(QFontDatabase::addApplicationFont(font + italic));
+            qDebug() << __func__ << ": " << font + italic << " loaded with id " << vecFontIds.back();
+        }
+    }
+
+    // Fail if an added id is -1 which means QFontDatabase::addApplicationFont failed.
+    if (std::find(vecFontIds.begin(), vecFontIds.end(), -1) != vecFontIds.end()) {
+        return InitError("Font loading failed.");
+    }
+
+    // Print debug logs for added fonts fetched by the added ids
+    for (const auto& i : vecFontIds) {
+        auto families = QFontDatabase::applicationFontFamilies(i);
+        for (const QString& f : families) {
+            qDebug() << __func__ << ": - Font id " << i << " is family: " << f;
+            const QStringList fontStyles = database.styles(f);
+            for (const QString& style : fontStyles) {
+                qDebug() << __func__ << ": Style for family " << f << " with id: " << i << ": " << style;
+            }
+        }
+    }
+    // Print debug logs for added fonts fetched by the family name
+    const QStringList fontFamilies = database.families();
+    for (const QString& f : fontFamilies) {
+        if (f.contains(family)) {
+            const QStringList fontStyles = database.styles(f);
+            for (const QString& style : fontStyles) {
+                qDebug() << __func__ << ": Family: " << f << ", Style: " << style;
+            }
+        }
+    }
+
+    setApplicationFont();
+
+    return true;
+}
+
+void setApplicationFont()
+{
+    static QFont osDefaultFont = QApplication::font();
+
+    std::unique_ptr<QFont> font;
+
+    if (fontFamily == FontFamily::Montserrat) {
+        QString family = fontFamilyToString(FontFamily::Montserrat);
+#ifdef Q_OS_MAC
+        if (getFontWeightNormal() != getFontWeightNormalDefault()) {
+            font = std::make_unique<QFont>(getFontNormal());
+        } else {
+            font = std::make_unique<QFont>(family);
+            font->setWeight(getFontWeightNormalDefault());
+        }
+#else
+        font = std::make_unique<QFont>(family);
+        font->setWeight(getFontWeightNormal());
+#endif
+    } else {
+        font = std::make_unique<QFont>(osDefaultFont);
+    }
+
+    font->setPointSizeF(defaultFontSize);
+    qApp->setFont(*font);
+
+    qDebug() << __func__ << ": " << qApp->font().toString() <<
+                " family: " << qApp->font().family() <<
+                ", style: " << qApp->font().styleName() <<
+                " match: " << qApp->font().exactMatch();
+}
+
+void setFont(const std::vector<QWidget*>& vecWidgets, FontWeight weight, int nPointSize, bool fItalic)
+{
+    QFont font = getFont(weight, fItalic, nPointSize);
+
+    for (auto it : vecWidgets) {
+        auto fontAttributes = std::make_pair(weight, fItalic);
+        auto itw = mapNormalFontUpdates.emplace(std::make_pair(it, fontAttributes));
+        if (!itw.second) itw.first->second = fontAttributes;
+
+        if (nPointSize != -1) {
+            auto its = mapFontSizeUpdates.emplace(std::make_pair(it, nPointSize));
+            if (!its.second) its.first->second = nPointSize;
+        }
+
+        it->setFont(font);
+    }
+}
+
+void setFixedPitchFont(const std::vector<QWidget*>& vecWidgets)
+{
+    for (auto it : vecWidgets) {
+        setFixedPitchFontUpdates.emplace(it);
+        it->setFont(fixedPitchFont());
+    }
+}
+
+void updateFonts()
+{
+    setApplicationFont();
+
+    auto getKey = [](QWidget* w) -> QString {
+        return w->parent() ? w->parent()->objectName() + w->objectName() : w->objectName();
+    };
+
+    static std::map<QString, int> mapDefaultFontSizes;
+    std::map<QWidget*, QFont> mapWidgetFonts;
+
+    for (QWidget* w : qApp->allWidgets()) {
+        QFont font = w->font();
+        font.setFamily(qApp->font().family());
+        font.setWeight(getFontWeightNormal());
+        font.setStyleName(qApp->font().styleName());
+        font.setStyle(qApp->font().style());
+        // Set the font size based on the widgets default font size + the font scale
+        QString key = getKey(w);
+        if (!mapDefaultFontSizes.count(key)) {
+            mapDefaultFontSizes.emplace(std::make_pair(key, font.pointSize() > 0 ? font.pointSize() : defaultFontSize));
+        }
+        font.setPointSizeF(getScaledFontSize(mapDefaultFontSizes[key]));
+        mapWidgetFonts.emplace(w, font);
+    }
+
+    auto itn = mapNormalFontUpdates.begin();
+    while (itn != mapNormalFontUpdates.end()) {
+        if (mapWidgetFonts.count(itn->first)) {
+            mapWidgetFonts[itn->first] = getFont(itn->second.first, itn->second.second, mapDefaultFontSizes[getKey(itn->first)]);
+            ++itn;
+        } else {
+            itn = mapNormalFontUpdates.erase(itn);
+        }
+    }
+    auto its = mapFontSizeUpdates.begin();
+    while (its != mapFontSizeUpdates.end()) {
+        if (mapWidgetFonts.count(its->first)) {
+            QFont font = mapWidgetFonts[its->first];
+            font.setPointSizeF(getScaledFontSize(its->second));
+            mapWidgetFonts[its->first] = font;
+            ++its;
+        } else {
+            its = mapFontSizeUpdates.erase(its);
+        }
+    }
+    auto itf = setFixedPitchFontUpdates.begin();
+    while (itf != setFixedPitchFontUpdates.end()) {
+        if (mapWidgetFonts.count(*itf)) {
+            QFont font = fixedPitchFont();
+            font.setPointSizeF(getScaledFontSize(mapDefaultFontSizes[getKey(*itf)]));
+            mapWidgetFonts[*itf] = font;
+            ++itf;
+        } else {
+            itf = setFixedPitchFontUpdates.erase(itf);
+        }
+    }
+
+    for (auto it : mapWidgetFonts) {
+        it.first->setFont(it.second);
+    }
+}
+
+QFont getFont(FontWeight weight, bool fItalic, int nPointSize)
+{
+    QFont font;
+    QFont::Weight qWeight = toQFontWeight(weight);
+
+    if (fontFamily == FontFamily::Montserrat) {
+
+        static std::map<QFont::Weight, QString> mapMontserratMapping{
+            {QFont::Thin, "Thin"},
+            {QFont::ExtraLight, "ExtraLight"},
+            {QFont::Light, "Light"},
+            {QFont::Medium, "Medium"},
+            {QFont::DemiBold, "SemiBold"},
+            {QFont::ExtraBold, "ExtraBold"},
+            {QFont::Black, "Black"},
+#ifdef Q_OS_MAC
+            {QFont::Normal, "Regular"},
+            {QFont::Bold, "Bold"},
+#else
+            {QFont::Normal, ""},
+            {QFont::Bold, ""},
+#endif
+        };
+
+        assert(mapMontserratMapping.count(qWeight));
+
+#ifdef Q_OS_MAC
+
+        QString styleName = mapMontserratMapping[qWeight];
+
+        if (fItalic) {
+            if (styleName == "Regular") {
+                styleName = "Italic";
+            } else {
+                styleName += " Italic";
+            }
+        }
+
+        font.setFamily(fontFamilyToString(FontFamily::Montserrat));
+        font.setStyleName(styleName);
+#else
+        font.setFamily(fontFamilyToString(FontFamily::Montserrat) + " " + mapMontserratMapping[qWeight]);
+        font.setWeight(qWeight);
+        font.setStyle(fItalic ? QFont::StyleItalic : QFont::StyleNormal);
+#endif
+    } else {
+        font.setFamily(QApplication::font().family());
+        font.setWeight(qWeight);
+        font.setStyle(fItalic ? QFont::StyleItalic : QFont::StyleNormal);
+    }
+    qDebug() << "GUIUtil::getFont() - " << font.toString() << " family: " << font.family() << ", style: " << font.styleName() << " match: " << font.exactMatch();
+
+    if (nPointSize != -1) {
+        font.setPointSizeF(getScaledFontSize(nPointSize));
+    }
+
+    return font;
+}
+
+QFont getFontNormal()
+{
+    return getFont(FontWeight::Normal);
+}
+
+QFont getFontBold()
+{
+    return getFont(FontWeight::Bold);
+}
+
 bool dashThemeActive()
 {
     QSettings settings;
@@ -1131,7 +1556,7 @@ void ClickableLabel::mouseReleaseEvent(QMouseEvent *event)
 {
     Q_EMIT clicked(event->pos());
 }
-    
+
 void ClickableProgressBar::mouseReleaseEvent(QMouseEvent *event)
 {
     Q_EMIT clicked(event->pos());
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index c3d24351f0dc..6c917a9c0307 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -233,6 +233,77 @@ namespace GUIUtil
     /** Load global CSS theme */
     QString loadStyleSheet();
 
+    enum class FontFamily {
+        SystemDefault,
+        Montserrat,
+    };
+
+    FontFamily fontFamilyFromString(const QString& strFamily);
+    QString fontFamilyToString(FontFamily family);
+
+    /** set/get font family: GUIUtil::fontFamily */
+    FontFamily getFontFamilyDefault();
+    FontFamily getFontFamily();
+    void setFontFamily(FontFamily family);
+
+    enum class FontWeight {
+        Normal, // Font weight for normal text
+        Bold,   // Font weight for bold text
+    };
+
+    /** Convert weight value from args (0-8) to QFont::Weight */
+    bool weightFromArg(int nArg, QFont::Weight& weight);
+    /** Convert QFont::Weight to an arg value (0-8) */
+    int weightToArg(const QFont::Weight weight);
+    /** Convert GUIUtil::FontWeight to QFont::Weight */
+    QFont::Weight toQFontWeight(FontWeight weight);
+
+    /** set/get normal font weight: GUIUtil::fontWeightNormal */
+    QFont::Weight getFontWeightNormalDefault();
+    QFont::Weight getFontWeightNormal();
+    void setFontWeightNormal(QFont::Weight weight);
+
+    /** set/get bold font weight: GUIUtil::fontWeightBold */
+    QFont::Weight getFontWeightBoldDefault();
+    QFont::Weight getFontWeightBold();
+    void setFontWeightBold(QFont::Weight weight);
+
+    /** set/get font scale: GUIUtil::fontScale */
+    int getFontScaleDefault();
+    int getFontScale();
+    void setFontScale(int nScale);
+
+    /** get font size with GUIUtil::fontScale applied */
+    double getScaledFontSize(int nSize);
+
+    /** Load dash specific appliciation fonts */
+    bool loadFonts();
+
+    /** Set an application wide default font, depends on the selected theme */
+    void setApplicationFont();
+
+    /** Workaround to set correct font styles in all themes since there is a bug in macOS which leads to
+        issues loading variations of montserrat in css it also keeps track of the set fonts to update on
+        theme changes. */
+    void setFont(const std::vector<QWidget*>& vecWidgets, FontWeight weight, int nPointSize = -1, bool fItalic = false);
+
+    /** Workaround to set a fixed pitch font in traditional theme while keeping track of font updates */
+    void setFixedPitchFont(const std::vector<QWidget*>& vecWidgets);
+
+    /** Update the font of all widgets where a custom font has been set with
+        GUIUtil::setFont */
+    void updateFonts();
+
+    /** Get a properly weighted QFont object with the font Montserrat
+        Use ExtraLight as default as this lines up with the default in css. */
+    QFont getFont(FontWeight weight, bool fItalic = false, int nPointSize = -1);
+
+    /** Get the default normal QFont */
+    QFont getFontNormal();
+
+    /** Get the default bold QFont */
+    QFont getFontBold();
+
     /** Check if a dash specific theme is activated (light/dark) */
     bool dashThemeActive();
 
@@ -272,11 +343,11 @@ namespace GUIUtil
     protected:
         void mouseReleaseEvent(QMouseEvent *event);
     };
-    
+
     class ClickableProgressBar : public QProgressBar
     {
         Q_OBJECT
-        
+
     Q_SIGNALS:
         /** Emitted when the progressbar is clicked. The relative mouse coordinates of the click are
          * passed to the signal.
diff --git a/src/qt/masternodelist.cpp b/src/qt/masternodelist.cpp
index 5bfdb40377dd..c3afb09c0bc0 100644
--- a/src/qt/masternodelist.cpp
+++ b/src/qt/masternodelist.cpp
@@ -43,6 +43,11 @@ MasternodeList::MasternodeList(const PlatformStyle* platformStyle, QWidget* pare
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->label_count_2,
+                      ui->countLabelDIP3
+                     }, GUIUtil::FontWeight::Bold, 14);
+    GUIUtil::setFont({ui->label_filter_2}, GUIUtil::FontWeight::Normal, 15);
+
     int columnAddressWidth = 200;
     int columnStatusWidth = 80;
     int columnPoSeScoreWidth = 80;
diff --git a/src/qt/modaloverlay.cpp b/src/qt/modaloverlay.cpp
index 0aa1b0c1e103..0aa60d56eb59 100644
--- a/src/qt/modaloverlay.cpp
+++ b/src/qt/modaloverlay.cpp
@@ -22,6 +22,15 @@ userClosed(false),
 foreverHidden(false)
 {
     ui->setupUi(this);
+
+    GUIUtil::setFont({ui->infoTextStrong,
+                      ui->labelNumberOfBlocksLeft,
+                      ui->labelLastBlockTime,
+                      ui->labelSyncDone,
+                      ui->labelProgressIncrease,
+                      ui->labelEstimatedTimeLeft,
+                     }, GUIUtil::FontWeight::Bold);
+
     connect(ui->closeButton, SIGNAL(clicked()), this, SLOT(closeClicked()));
     if (parent) {
         parent->installEventFilter(this);
diff --git a/src/qt/openuridialog.cpp b/src/qt/openuridialog.cpp
index 1841362bdb77..626489cd6fef 100644
--- a/src/qt/openuridialog.cpp
+++ b/src/qt/openuridialog.cpp
@@ -16,6 +16,7 @@ OpenURIDialog::OpenURIDialog(QWidget *parent) :
     ui(new Ui::OpenURIDialog)
 {
     ui->setupUi(this);
+    GUIUtil::updateFonts();
     ui->uriEdit->setPlaceholderText("dash:");
 }
 
diff --git a/src/qt/optionsdialog.cpp b/src/qt/optionsdialog.cpp
index 22a21c05e0aa..bb8a72ffbc29 100644
--- a/src/qt/optionsdialog.cpp
+++ b/src/qt/optionsdialog.cpp
@@ -36,6 +36,10 @@ OptionsDialog::OptionsDialog(QWidget *parent, bool enableWallet) :
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->statusLabel}, GUIUtil::FontWeight::Bold, 16);
+
+    GUIUtil::updateFonts();
+
     /* Main elements init */
     ui->databaseCache->setMinimum(nMinDbCache);
     ui->databaseCache->setMaximum(nMaxDbCache);
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
index 28516745aac1..258fb1635aa8 100644
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -135,6 +135,23 @@ OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent)
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->label_4,
+                      ui->label_5,
+                      ui->labelPrivateSendHeader
+                     }, GUIUtil::FontWeight::Bold, 16);
+
+    GUIUtil::setFont({ui->labelTotalText,
+                      ui->labelWatchTotal,
+                      ui->labelTotal
+                     }, GUIUtil::FontWeight::Bold, 14);
+
+    GUIUtil::setFont({ui->labelBalanceText,
+                      ui->labelPendingText,
+                      ui->labelImmatureText,
+                      ui->labelWatchonly,
+                      ui->labelSpendable
+                     }, GUIUtil::FontWeight::Bold);
+
     // Recent transactions
     ui->listTransactions->setItemDelegate(txdelegate);
     ui->listTransactions->setIconSize(QSize(DECORATION_SIZE, DECORATION_SIZE));
diff --git a/src/qt/qrdialog.cpp b/src/qt/qrdialog.cpp
index 3312bfecb43a..1df662160dbb 100644
--- a/src/qt/qrdialog.cpp
+++ b/src/qt/qrdialog.cpp
@@ -96,6 +96,10 @@ QRDialog::QRDialog(QWidget *parent) :
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->labelQRCodeTitle}, GUIUtil::FontWeight::Bold, 16);
+
+    GUIUtil::updateFonts();
+
 #ifndef USE_QRCODE
     ui->button_saveImage->setVisible(false);
     ui->lblQRCode->setVisible(false);
diff --git a/src/qt/receivecoinsdialog.cpp b/src/qt/receivecoinsdialog.cpp
index ed5c1e66b036..155abc915b35 100644
--- a/src/qt/receivecoinsdialog.cpp
+++ b/src/qt/receivecoinsdialog.cpp
@@ -28,7 +28,12 @@ ReceiveCoinsDialog::ReceiveCoinsDialog(const PlatformStyle *_platformStyle, QWid
     platformStyle(_platformStyle)
 {
     ui->setupUi(this);
-    
+
+    GUIUtil::setFont({ui->label_6}, GUIUtil::FontWeight::Bold, 16);
+    GUIUtil::setFont({ui->label,
+                      ui->label_2,
+                      ui->label_3}, GUIUtil::FontWeight::Normal, 15);
+
     if (!_platformStyle->getImagesOnButtons()) {
         ui->clearButton->setIcon(QIcon());
         ui->receiveButton->setIcon(QIcon());
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
index e8fffa20811b..d16d5abd6871 100644
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -92,6 +92,8 @@ ReceiveRequestDialog::ReceiveRequestDialog(QWidget *parent) :
 {
     ui->setupUi(this);
 
+    GUIUtil::updateFonts();
+
 #ifndef USE_QRCODE
     ui->btnSaveAs->setVisible(false);
     ui->lblQRCode->setVisible(false);
@@ -134,7 +136,7 @@ void ReceiveRequestDialog::update()
     QString uri = GUIUtil::formatBitcoinURI(info);
     ui->btnSaveAs->setEnabled(false);
     QString html;
-    html += "<html><font face='verdana, arial, helvetica, sans-serif'>";
+    html += "<html>";
     html += "<b>"+tr("Payment information")+"</b><br>";
     html += "<b>"+tr("URI")+"</b>: ";
     html += "<a href=\""+uri+"\">" + GUIUtil::HtmlEscape(uri) + "</a><br>";
diff --git a/src/qt/res/css/general.css b/src/qt/res/css/general.css
index 96492f481634..7ce269b14aa9 100644
--- a/src/qt/res/css/general.css
+++ b/src/qt/res/css/general.css
@@ -83,7 +83,6 @@ QLabel,
 QListView,
 QRadioButton,
 QTreeWidget { /* Base Text Size & Color */
-    font-size: 12px;
 }
 
 /******************************************************
@@ -292,8 +291,6 @@ QHeaderView { /* Table Header */
 QHeaderView::section { /* Table Header Sections */
     qproperty-alignment: center;
     min-height: 25px;
-    font-weight: bold;
-    font-size: 11px;
     outline: 0;
     border: 0px solid;
     border-right: 1px solid;
@@ -347,14 +344,12 @@ QLineEdit / QValidatedLineEdit / QPlainTextEdit
 QPlainTextEdit,
 .QValidatedLineEdit { /* Text Entry Fields */
     border: 1px solid;
-    font-size: 11px;
     min-height: 31px;
     outline: 0;
     padding: 0px 3px 0px 3px;
 }
 
 .QLineEdit:!focus {
-    font-size: 12px;
 }
 
 .QLineEdit:disabled,
@@ -403,8 +398,6 @@ QPushButton { /* Global Button Style */
     border: 0;
     border-radius: 8px;
     color: #ffffff;
-    font-size: 12px;
-    font-weight: normal;
     height: 26px;
     padding-left: 25px;
     padding-right: 25px;
@@ -563,7 +556,6 @@ QTableView
 }
 
 QTableView::item { /* Table Item */
-    font-size: 12px;
 }
 
 QTableView::item:selected { /* Table Item Selected */
@@ -640,7 +632,6 @@ QToolBar > QToolButton {
     border: none;
     min-height: 50px;
     max-height: 50px;
-    font-size: 16px;
     letter-spacing: 3px;
     color: #ffffff;
     width: 100%;
@@ -739,7 +730,6 @@ QWidget { /* Remove Annoying Focus Rectangle */
     outline: 0;
 }
 
-
 /******************************************************
 *******************************************************
 STYLING OF SPECIFIC CUSTOM UI PARTS
@@ -771,7 +761,6 @@ QWidget#AddressBookPage {
 }
 
 QWidget#AddressBookPage QTableView { /* Address Listing */
-    font-size: 12px;
 }
 
 QWidget#AddressBookPage QTableView::item {
@@ -895,7 +884,6 @@ QDialog#EditAddressDialog {
 QDialog#EditAddressDialog QLabel {
     qproperty-alignment: 'AlignVCenter | AlignRight';
     min-height: 27px;
-    font-weight: normal;
     padding-right: 5px;
 }
 
@@ -919,7 +907,6 @@ MasternodeList
 MasternodeList QLabel#label_filter_2,
 MasternodeList QLabel#label_count_2,
 MasternodeList QLabel#countLabelDIP3 {
-    font-size: 15px;
 }
 
 /******************************************************
@@ -958,7 +945,6 @@ QDialog#OpenURIDialog {
 }
 
 QDialog#OpenURIDialog QLabel#label { /* URI Label */
-    font-weight: bold;
 }
 
 /******************************************************
@@ -1004,7 +990,6 @@ QWidget .QFrame#frame { /* Wallet Balance */
 
 QWidget .QFrame#frame > .QLabel {
     min-width: 100px;
-    font-weight: normal;
     min-height: 30px;
 }
 
@@ -1014,8 +999,6 @@ QWidget .QFrame#frame .QLabel#label_5 { /* Wallet Label */
     margin-top: 0;
     margin-right: 5px;
     padding-right: 5px;
-    font-weight: bold;
-    font-size: 18px;
     min-height: 30px;
 }
 
@@ -1027,13 +1010,11 @@ QWidget .QFrame#frame .QLabel#labelWalletStatus { /* Wallet Sync Status */
 
 QWidget .QFrame#frame .QLabel#labelSpendable { /* Spendable Header */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 18px;
 }
 
 QWidget .QFrame#frame .QLabel#labelWatchonly { /* Watch-only Header */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 16px;
 }
 
@@ -1042,82 +1023,68 @@ QWidget .QFrame#frame .QLabel#labelBalanceText { /* Available Balance Label */
     min-width: 100px;
     margin-right: 5px;
     padding-right: 5px;
-    font-size: 14px;
-    font-weight: bold;
     min-height: 35px;
 }
 
 QWidget .QFrame#frame .QLabel#labelBalance { /* Available Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
     color: #008de4;
-    font-size: 16px;
-    font-weight: bold;
     margin-left: 0px;
 }
 
 QWidget .QFrame#frame .QLabel#labelWatchAvailable { /* Watch-only Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 16px;
 }
 
 QWidget .QFrame#frame .QLabel#labelPendingText { /* Pending Balance Label */
     qproperty-alignment: 'AlignVCenter | AlignRight';
     min-width: 100px;
-    font-size: 12px;
     margin-right: 5px;
     padding-right: 5px;
 }
 
 QWidget .QFrame#frame .QLabel#labelUnconfirmed { /* Pending Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 0px;
 }
 
 QWidget .QFrame#frame .QLabel#labelWatchPending { /* Watch-only Pending Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 16px;
 }
 
 QWidget .QFrame#frame .QLabel#labelImmatureText { /* Immature Balance Label */
     qproperty-alignment: 'AlignVCenter | AlignRight';
     min-width: 100px;
-    font-size: 12px;
     margin-right: 5px;
     padding-right: 5px;
 }
 
 QWidget .QFrame#frame .QLabel#labelImmature { /* Immature Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 0px;
 }
 
 QWidget .QFrame#frame .QLabel#labelWatchImmature { /* Watch-only Immature Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 16px;
 }
 
 QWidget .QFrame#frame .QLabel#labelTotalText { /* Total Balance Label */
     qproperty-alignment: 'AlignVCenter | AlignRight';
     min-width: 100px;
-    font-size: 12px;
     margin-right: 5px;
     padding-right: 5px;
 }
 
 QWidget .QFrame#frame .QLabel#labelTotal { /* Total Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 0px;
 }
 
 QWidget .QFrame#frame .QLabel#labelWatchTotal { /* Watch-only Total Balance */
     qproperty-alignment: 'AlignVCenter | AlignLeft';
-    font-size: 12px;
     margin-left: 16px;
 }
 
@@ -1145,8 +1112,6 @@ QWidget .QFrame#framePrivateSend .QLabel#labelPrivateSendHeader { /* PrivateSend
     margin-top: 0;
     margin-right: 5px;
     padding-right: 5px;
-    font-weight: bold;
-    font-size: 18px;
     min-height: 30px;
 }
 
@@ -1164,7 +1129,6 @@ QWidget .QFrame#framePrivateSend #privateSendFormLayoutWidget {
 
 QWidget .QFrame#framePrivateSend #privateSendFormLayoutWidget > .QLabel {
     min-width: 175px;
-    font-weight: normal;
     min-height: 25px;
 }
 
@@ -1240,7 +1204,6 @@ QWidget .QFrame#framePrivateSend .QLabel#labelPrivateSendLastMessage { /* Privat
     qproperty-alignment: 'AlignVCenter | AlignCenter';
     min-width: 288px;
     min-height: 43px;
-    font-size: 11px;
 }
 
 QWidget .QFrame#framePrivateSend QPushButton:focus {
@@ -1250,8 +1213,6 @@ QWidget .QFrame#framePrivateSend QPushButton:focus {
 
 QWidget .QFrame#framePrivateSend .QPushButton#togglePrivateSend { /* Start PrivateSend Mixing */
     min-height: 40px;
-    font-size: 15px;
-    font-weight: normal;
     padding-left: 10px;
     padding-right: 10px;
     padding-top: 5px;
@@ -1280,8 +1241,6 @@ QWidget .QFrame#frame_2 .QLabel#label_4 { /* Recent Transactions Label */
     margin-top: 0;
     margin-right: 5px;
     padding-right: 5px;
-    font-weight: bold;
-    font-size: 18px;
     min-height: 30px;
 }
 
@@ -1296,8 +1255,6 @@ QWidget .QFrame#frame_2 .QLabel#labelTransactionsStatus { /* Recent Transactions
 }
 
 QWidget .QFrame#frame_2 QListView { /* Transaction List */
-    font-weight: normal;
-    font-size: 12px;
     max-width: 369px;
     margin-top: 12px;
     margin-left: 0px; /* CSS Voodoo - set to -66px to hide default transaction icons */
@@ -1314,7 +1271,6 @@ QWidget#ReceiveCoinsDialog .QFrame#frame2 .QLabel#label_3,
 QWidget#ReceiveCoinsDialog .QFrame#frame .QLabel#label_6 { /* Label Label */
     min-width: 102px;
     padding-right: 5px;
-    font-size: 15px;
 }
 
 QWidget#ReceiveCoinsDialog .QFrame#frame QTableView#recentRequestsView::item { /* Recent Requests Table */
@@ -1387,8 +1343,6 @@ QDialog#SendCoinsDialog .QFrame#frameCoinControl .QPushButton#pushButtonCoinCont
 
 QDialog#SendCoinsDialog .QFrame#frameCoinControl .QLabel#labelCoinControlFeatures { /* Coin Control Header */
     color: #999;
-    font-weight: normal;
-    font-size: 14px;
 }
 
 QDialog#SendCoinsDialog .QFrame#frameCoinControl .QWidget#widgetCoinControl { /* Coin Control Inputs */
@@ -1402,7 +1356,6 @@ QDialog#SendCoinsDialog .QFrame#frameCoinControl .QValidatedLineEdit#lineEditCoi
 }
 
 QDialog#SendCoinsDialog .QFrame#frameCoinControl .QLabel#labelCoinControlChangeLabel { /* Custom Change Address Validation Label */
-    font-weight: normal;
     qproperty-margin: -6;
     margin-right: 112px;
 }
@@ -1439,8 +1392,6 @@ SendCoinsEntry
 QStackedWidget#SendCoinsEntry .QFrame#SendCoins > .QLabel { /* Send Coin Entry Labels */
     background-color: transparent;
     min-width: 50px;
-    font-weight: normal;
-    font-size: 15px;
     min-height: 25px;
     margin-right: 5px;
     padding-right: 5px;
@@ -1499,7 +1450,6 @@ QDialog#SignVerifyMessageDialog QPushButton#pasteButton_SM { /* Paste Button */
 }
 
 QDialog#SignVerifyMessageDialog QLineEdit:!focus { /* Font Hack */
-    font-size: 10px;
 }
 
 QDialog#SignVerifyMessageDialog QPushButton#copySignatureButton_SM { /* Copy Button */
@@ -1554,5 +1504,4 @@ TransactionView QComboBox {
 
 #transactionSumLabel,
 #transactionSum {
-    font-size: 15px;
 }
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Black.otf b/src/qt/res/fonts/Montserrat/Montserrat-Black.otf
new file mode 100644
index 000000000000..5e5a91632aa5
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Black.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-BlackItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-BlackItalic.otf
new file mode 100644
index 000000000000..f4d5d3b9ec82
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-BlackItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Bold.otf b/src/qt/res/fonts/Montserrat/Montserrat-Bold.otf
new file mode 100644
index 000000000000..cdfb83df2f2f
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Bold.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-BoldItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-BoldItalic.otf
new file mode 100644
index 000000000000..d57ff9a47980
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-BoldItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-ExtraBold.otf b/src/qt/res/fonts/Montserrat/Montserrat-ExtraBold.otf
new file mode 100644
index 000000000000..db86f49e5c59
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-ExtraBold.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-ExtraBoldItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-ExtraBoldItalic.otf
new file mode 100644
index 000000000000..f7a042a7b95d
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-ExtraBoldItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-ExtraLight.otf b/src/qt/res/fonts/Montserrat/Montserrat-ExtraLight.otf
new file mode 100644
index 000000000000..5a66f53aa29c
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-ExtraLight.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-ExtraLightItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-ExtraLightItalic.otf
new file mode 100644
index 000000000000..31b13517d355
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-ExtraLightItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Italic.otf b/src/qt/res/fonts/Montserrat/Montserrat-Italic.otf
new file mode 100644
index 000000000000..450689e2e505
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Italic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Light.otf b/src/qt/res/fonts/Montserrat/Montserrat-Light.otf
new file mode 100644
index 000000000000..14e715c7eebf
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Light.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-LightItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-LightItalic.otf
new file mode 100644
index 000000000000..b5ec441d9bb8
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-LightItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Medium.otf b/src/qt/res/fonts/Montserrat/Montserrat-Medium.otf
new file mode 100644
index 000000000000..6c323c1bd778
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Medium.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-MediumItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-MediumItalic.otf
new file mode 100644
index 000000000000..51db58d80dae
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-MediumItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Regular.otf b/src/qt/res/fonts/Montserrat/Montserrat-Regular.otf
new file mode 100644
index 000000000000..c1d1ee37b642
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Regular.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-SemiBold.otf b/src/qt/res/fonts/Montserrat/Montserrat-SemiBold.otf
new file mode 100644
index 000000000000..4fa8281a286c
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-SemiBold.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-SemiBoldItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-SemiBoldItalic.otf
new file mode 100644
index 000000000000..8c3b253f5a71
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-SemiBoldItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-Thin.otf b/src/qt/res/fonts/Montserrat/Montserrat-Thin.otf
new file mode 100644
index 000000000000..1c20b623f75b
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-Thin.otf differ
diff --git a/src/qt/res/fonts/Montserrat/Montserrat-ThinItalic.otf b/src/qt/res/fonts/Montserrat/Montserrat-ThinItalic.otf
new file mode 100644
index 000000000000..ed9bb19bb0f0
Binary files /dev/null and b/src/qt/res/fonts/Montserrat/Montserrat-ThinItalic.otf differ
diff --git a/src/qt/res/fonts/Montserrat/OFL.txt b/src/qt/res/fonts/Montserrat/OFL.txt
new file mode 100644
index 000000000000..e92aa0bf9756
--- /dev/null
+++ b/src/qt/res/fonts/Montserrat/OFL.txt
@@ -0,0 +1,93 @@
+Copyright 2011 The Montserrat Project Authors (https://github.com/JulietaUla/Montserrat)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each cop
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/src/qt/res/fonts/Montserrat/SIL_Open_Font_License.txt b/src/qt/res/fonts/Montserrat/SIL_Open_Font_License.txt
new file mode 100644
index 000000000000..4e3c48e95706
--- /dev/null
+++ b/src/qt/res/fonts/Montserrat/SIL_Open_Font_License.txt
@@ -0,0 +1,43 @@
+Copyright 2011 The Montserrat Project Authors (https://github.com/JulietaUla/Montserrat)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at: http://scripts.sil.org/OFL
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide development of collaborative font projects, to support the font creation efforts of academic and linguistic communities, and to provide a free and open framework in which fonts may be shared and improved in partnership with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and redistributed freely as long as they are not sold by themselves. The fonts, including any derivative works, can be bundled, embedded, redistributed and/or sold with any software provided that any reserved names are not used by derivative works. The fonts and derivatives, however, cannot be released under any other type of license. The requirement for fonts to remain under this license does not apply to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright Holder(s) under this license and clearly marked as such. This may include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting, or substituting -- in part or in whole -- any of the components of the Original Version, by changing formats or by porting the Font Software to a new environment.
+
+"Author" refers to any designer, engineer, programmer, technical writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining a copy of the Font Software, to use, study, copy, merge, embed, modify, redistribute, and sell modified and unmodified copies of the Font Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components, in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled, redistributed and/or sold with any software, provided that each copy contains the above copyright notice and this license. These can be included either as stand-alone text files, human-readable headers or in the appropriate machine-readable metadata fields within text or binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font Name(s) unless explicit written permission is granted by the corresponding Copyright Holder. This restriction only applies to the primary font name as presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font Software shall not be used to promote, endorse or advertise any Modified Version, except to acknowledge the contribution(s) of the Copyright Holder(s) and the Author(s) or with their explicit written permission.
+
+5) The Font Software, modified or unmodified, in part or in whole, must be distributed entirely under this license, and must not be distributed under any other license. The requirement for fonts to remain under this license does not apply to any document created using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 94831c1a4872..41eb324246b6 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -464,6 +464,15 @@ RPCConsole::RPCConsole(const PlatformStyle *_platformStyle, QWidget *parent) :
     /* Open CSS when configured */
     this->setStyleSheet(GUIUtil::loadStyleSheet());
 
+    GUIUtil::setFont({ui->label_9,
+                      ui->labelNetwork,
+                      ui->label_10,
+                      ui->labelMempoolTitle,
+                      ui->peerHeading,
+                      ui->label_repair_header,
+                      ui->banHeading
+                     }, GUIUtil::FontWeight::Bold, 16);
+
     QSettings settings;
     if (!restoreGeometry(settings.value("RPCConsoleWindowGeometry").toByteArray())) {
         // Restore failed (perhaps missing setting), center the window
@@ -519,7 +528,7 @@ RPCConsole::RPCConsole(const PlatformStyle *_platformStyle, QWidget *parent) :
 
     ui->peerHeading->setText(tr("Select a peer to view detailed information."));
 
-    consoleFontSize = settings.value(fontSizeSettingsKey, QFontInfo(QFont()).pointSize()).toInt();
+    consoleFontSize = settings.value(fontSizeSettingsKey, QFontInfo(GUIUtil::getFontNormal()).pointSize()).toInt();
     clear();
 }
 
@@ -653,7 +662,7 @@ void RPCConsole::setClientModel(ClientModel *model)
         connect(model->getPeerTableModel(), SIGNAL(layoutChanged()), this, SLOT(peerLayoutChanged()));
         // peer table signal handling - cache selected node ids
         connect(model->getPeerTableModel(), SIGNAL(layoutAboutToBeChanged()), this, SLOT(peerLayoutAboutToChange()));
-        
+
         // set up ban table
         ui->banlistWidget->setModel(model->getBanTableModel());
         ui->banlistWidget->verticalHeader()->hide();
@@ -861,7 +870,7 @@ void RPCConsole::clear(bool clearHistory)
 #else
     QString clsKey = "Ctrl-L";
 #endif
-	 
+
     message(CMD_REPLY, (tr("Welcome to the %1 RPC console.").arg(tr(PACKAGE_NAME)) + "<br>" +
                         tr("Use up and down arrows to navigate history, and %1 to clear screen.").arg("<b>"+clsKey+"</b>") + "<br>" +
                         tr("Type %1 for an overview of available commands.").arg("<b>help</b>") + "<br>" +
@@ -1248,7 +1257,7 @@ void RPCConsole::disconnectSelectedNode()
 {
     if(!g_connman)
         return;
-    
+
     // Get selected peer addresses
     QList<QModelIndex> nodes = GUIUtil::getEntryData(ui->peerWidget, PeerTableModel::NetNodeId);
     for(int i = 0; i < nodes.count(); i++)
@@ -1265,7 +1274,7 @@ void RPCConsole::banSelectedNode(int bantime)
 {
     if (!clientModel || !g_connman)
         return;
-    
+
     // Get selected peer addresses
     QList<QModelIndex> nodes = GUIUtil::getEntryData(ui->peerWidget, PeerTableModel::NetNodeId);
     for(int i = 0; i < nodes.count(); i++)
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 625d1a396511..395b4bae317c 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -64,6 +64,26 @@ SendCoinsDialog::SendCoinsDialog(const PlatformStyle *_platformStyle, QWidget *p
 {
     ui->setupUi(this);
 
+    GUIUtil::setFont({ui->labelCoinControlFeatures,
+                      ui->labelCoinControlInsuffFunds,
+                      ui->labelCoinControlQuantityText,
+                      ui->labelCoinControlBytesText,
+                      ui->labelCoinControlAmountText,
+                      ui->labelCoinControlLowOutputText,
+                      ui->labelCoinControlFeeText,
+                      ui->labelCoinControlAfterFeeText,
+                      ui->labelCoinControlChangeText,
+                      ui->labelFeeHeadline,
+                      ui->fallbackFeeWarningLabel
+                     }, GUIUtil::FontWeight::Bold);
+
+    GUIUtil::setFont({ui->labelBalance,
+                      ui->label
+                     }, GUIUtil::FontWeight::Bold, 14);
+
+    GUIUtil::setFont({ui->labelCoinControlFeatures
+                     }, GUIUtil::FontWeight::Bold, 16);
+
     if (!_platformStyle->getImagesOnButtons()) {
         ui->addButton->setIcon(QIcon());
         ui->clearButton->setIcon(QIcon());
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
index 28b9b44e4d72..e376f6b09137 100644
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -41,6 +41,13 @@ SendCoinsEntry::SendCoinsEntry(const PlatformStyle *_platformStyle, QWidget *par
     // just a label for displaying dash address(es)
     ui->payTo_is->setFont(GUIUtil::fixedPitchFont());
 
+    GUIUtil::setFont({ui->payToLabel,
+                     ui->labellLabel,
+                     ui->amountLabel,
+                     ui->messageLabel}, GUIUtil::FontWeight::Normal, 15);
+
+    GUIUtil::updateFonts();
+
     // Connect signals
     connect(ui->payAmount, SIGNAL(valueChanged()), this, SIGNAL(payAmountChanged()));
     connect(ui->checkboxSubtractFeeFromAmount, SIGNAL(toggled(bool)), this, SIGNAL(subtractFeeFromAmountChanged()));
diff --git a/src/qt/signverifymessagedialog.cpp b/src/qt/signverifymessagedialog.cpp
index 482d002809fb..69693c922c86 100644
--- a/src/qt/signverifymessagedialog.cpp
+++ b/src/qt/signverifymessagedialog.cpp
@@ -60,8 +60,13 @@ SignVerifyMessageDialog::SignVerifyMessageDialog(const PlatformStyle *_platformS
     ui->messageIn_VM->installEventFilter(this);
     ui->signatureIn_VM->installEventFilter(this);
 
-    ui->signatureOut_SM->setFont(GUIUtil::fixedPitchFont());
-    ui->signatureIn_VM->setFont(GUIUtil::fixedPitchFont());
+    GUIUtil::setFixedPitchFont({ui->signatureOut_SM, ui->signatureIn_VM});
+
+    GUIUtil::setFont({ui->signatureOut_SM}, GUIUtil::FontWeight::Normal, 11, true);
+    GUIUtil::setFont({ui->signatureLabel_SM}, GUIUtil::FontWeight::Bold, 16);
+    GUIUtil::setFont({ui->statusLabel_SM, ui->statusLabel_VM}, GUIUtil::FontWeight::Bold);
+
+    GUIUtil::updateFonts();
 }
 
 SignVerifyMessageDialog::~SignVerifyMessageDialog()
diff --git a/src/qt/splashscreen.cpp b/src/qt/splashscreen.cpp
index 488e55a31910..4028590a43c8 100644
--- a/src/qt/splashscreen.cpp
+++ b/src/qt/splashscreen.cpp
@@ -51,7 +51,7 @@ SplashScreen::SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle)
     QString copyrightText   = QString::fromUtf8(CopyrightHolders("\xc2\xA9", 2014, COPYRIGHT_YEAR).c_str());
     QString titleAddText    = networkStyle->getTitleAddText();
 
-    QString font = QApplication::font().toString();
+    QFont font = GUIUtil::getFontNormal();
 
     // load the bitmap for writing some text over it
     pixmap = networkStyle->getSplashImage();
@@ -60,24 +60,28 @@ SplashScreen::SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle)
     pixPaint.setPen(QColor(100,100,100));
 
     // check font size and drawing with
-    pixPaint.setFont(QFont(font, 28*fontFactor));
+    font.setPointSize(28 * fontFactor);
+    pixPaint.setFont(font);
     QFontMetrics fm = pixPaint.fontMetrics();
     int titleTextWidth = fm.width(titleText);
     if (titleTextWidth > 160) {
         fontFactor = 0.75;
     }
 
-    pixPaint.setFont(QFont(font, 28*fontFactor));
+    font.setPointSize(28 * fontFactor);
+    pixPaint.setFont(font);
     fm = pixPaint.fontMetrics();
     titleTextWidth  = fm.width(titleText);
     pixPaint.drawText(paddingLeft,paddingTop,titleText);
 
-    pixPaint.setFont(QFont(font, 15*fontFactor));
+    font.setPointSize(15 * fontFactor);
+    pixPaint.setFont(font);
     pixPaint.drawText(paddingLeft,paddingTop+titleVersionVSpace,versionText);
 
     // draw copyright stuff
     {
-        pixPaint.setFont(QFont(font, 10*fontFactor));
+        font.setPointSize(10 * fontFactor);
+        pixPaint.setFont(font);
         const int x = paddingLeft;
         const int y = paddingTop+titleCopyrightVSpace;
         QRect copyrightRect(x, y, pixmap.width() - x, pixmap.height() - y);
@@ -86,9 +90,8 @@ SplashScreen::SplashScreen(Qt::WindowFlags f, const NetworkStyle *networkStyle)
 
     // draw additional text if special network
     if(!titleAddText.isEmpty()) {
-        QFont boldFont = QFont(font, 10*fontFactor);
-        boldFont.setWeight(QFont::Bold);
-        pixPaint.setFont(boldFont);
+        QFont boldFont = GUIUtil::getFontBold();
+        boldFont.setPointSize(10 * fontFactor);
         fm = pixPaint.fontMetrics();
         int titleAddTextWidth  = fm.width(titleAddText);
         pixPaint.drawText(pixmap.width()-titleAddTextWidth-10,pixmap.height()-25,titleAddText);
@@ -192,6 +195,7 @@ void SplashScreen::showMessage(const QString &message, int alignment, const QCol
 void SplashScreen::paintEvent(QPaintEvent *event)
 {
     QPainter painter(this);
+    painter.setFont(GUIUtil::getFontNormal());
     painter.drawPixmap(0, 0, pixmap);
     QRect r = rect().adjusted(5, 5, -5, -5);
     painter.setPen(curColor);
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
index 6aa8a2d5aa77..7a49bf6360f3 100644
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -69,7 +69,7 @@ QString TransactionDesc::toHTML(CWallet *wallet, CWalletTx &wtx, TransactionReco
 
     LOCK2(cs_main, wallet->cs_wallet);
     strHTML.reserve(4000);
-    strHTML += "<html><font face='verdana, arial, helvetica, sans-serif'>";
+    strHTML += "<html>";
 
     int64_t nTime = wtx.GetTxTime();
     CAmount nCredit = wtx.GetCredit(ISMINE_ALL);
diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
index 349d8189a853..64bd0ab45842 100644
--- a/src/qt/utilitydialog.cpp
+++ b/src/qt/utilitydialog.cpp
@@ -39,6 +39,8 @@ HelpMessageDialog::HelpMessageDialog(QWidget *parent, HelpMode helpMode) :
 {
     ui->setupUi(this);
 
+    GUIUtil::updateFonts();
+
     QString version = tr(PACKAGE_NAME) + " " + tr("version") + " " + QString::fromStdString(FormatFullVersion());
     /* On x86 add a bit specifier to the version so that users can distinguish between
      * 32 and 64 bit builds. On other architectures, 32/64 bit may be more ambiguous.
@@ -87,6 +89,10 @@ HelpMessageDialog::HelpMessageDialog(QWidget *parent, HelpMode helpMode) :
             strUsage += HelpMessageOpt("-allowselfsignedrootcertificates", strprintf("Allow self signed root certificates (default: %u)", DEFAULT_SELFSIGNED_ROOTCERTS));
         }
         strUsage += HelpMessageOpt("-choosedatadir", strprintf(tr("Choose data directory on startup (default: %u)").toStdString(), DEFAULT_CHOOSE_DATADIR));
+        strUsage += HelpMessageOpt("-font-family", tr("Set the font family. Possible values: %1. (default: %2)").arg("SystemDefault, Montserrat").arg(GUIUtil::fontFamilyToString(GUIUtil::getFontFamilyDefault())).toStdString());
+        strUsage += HelpMessageOpt("-font-scale", tr("Set a scale factor which gets applied to the base font size. Possible range %1 (smallest fonts) to %2 (largest fonts). (default: %3)").arg(-100).arg(100).arg(GUIUtil::getFontScaleDefault()).toStdString());
+        strUsage += HelpMessageOpt("-font-weight-bold", tr("Set the font weight for bold texts. Possible range %1 to %2 (default: %3)").arg(0).arg(8).arg(GUIUtil::weightToArg(GUIUtil::getFontWeightBoldDefault())).toStdString());
+        strUsage += HelpMessageOpt("-font-weight-normal", tr("Set the font weight for normal texts. Possible range %1 to %2 (default: %3)").arg(0).arg(8).arg(GUIUtil::weightToArg(GUIUtil::getFontWeightNormalDefault())).toStdString());
         strUsage += HelpMessageOpt("-lang=<lang>", tr("Set language, for example \"de_DE\" (default: system locale)").toStdString());
         strUsage += HelpMessageOpt("-min", tr("Start minimized").toStdString());
         strUsage += HelpMessageOpt("-rootcertificates=<file>", tr("Set SSL root certificates for payment request (default: -system-)").toStdString());
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index 0efc7eccead8..81ca49f0856a 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -63,6 +63,11 @@ WalletView::WalletView(const PlatformStyle *_platformStyle, QWidget *parent):
     transactionSum->setObjectName("transactionSum"); // Label ID as CSS-reference
     transactionSum->setMinimumSize(200, 8);
     transactionSum->setTextInteractionFlags(Qt::TextSelectableByMouse);
+
+    GUIUtil::setFont({transactionSumLabel,
+                      transactionSum,
+                     }, GUIUtil::FontWeight::Bold, 14);
+
     hbox_buttons->addWidget(transactionSum);
 
     hbox_buttons->addWidget(exportButton);