diff --git a/dvc/command/diff.py b/dvc/command/diff.py
index 5667adfe56..804e65fd80 100644
--- a/dvc/command/diff.py
+++ b/dvc/command/diff.py
@@ -28,7 +28,7 @@ def _format(diff):
                 dir/
                 dir/1
 
-        An example of a diff formatted when entries contain checksums:
+        An example of a diff formatted when entries contain hash:
 
             Added:
                 d3b07384 foo
@@ -66,7 +66,7 @@ def _digest(checksum):
 
             for entry in entries:
                 path = entry["path"]
-                checksum = entry.get("checksum")
+                checksum = entry.get("hash")
                 summary[state] += 1 if not path.endswith(os.sep) else 0
                 content.append(
                     "{space}{checksum}{separator}{path}".format(
@@ -100,10 +100,10 @@ def run(self):
             if not any(diff.values()):
                 return 0
 
-            if not self.args.checksums:
+            if not self.args.show_hash:
                 for _, entries in diff.items():
                     for entry in entries:
-                        del entry["checksum"]
+                        del entry["hash"]
 
             if self.args.show_json:
                 res = json.dumps(diff)
@@ -149,7 +149,7 @@ def add_parser(subparsers, parent_parser):
         default=False,
     )
     diff_parser.add_argument(
-        "--checksums",
+        "--show-hash",
         help="Display hash value for each entry",
         action="store_true",
         default=False,
diff --git a/dvc/repo/diff.py b/dvc/repo/diff.py
index 1f6dbeee6a..8b474ef9cc 100644
--- a/dvc/repo/diff.py
+++ b/dvc/repo/diff.py
@@ -66,10 +66,10 @@ def _paths_checksums():
     modified = sorted(set(old) & set(new))
 
     return {
-        "added": [{"path": path, "checksum": new[path]} for path in added],
-        "deleted": [{"path": path, "checksum": old[path]} for path in deleted],
+        "added": [{"path": path, "hash": new[path]} for path in added],
+        "deleted": [{"path": path, "hash": old[path]} for path in deleted],
         "modified": [
-            {"path": path, "checksum": {"old": old[path], "new": new[path]}}
+            {"path": path, "hash": {"old": old[path], "new": new[path]}}
             for path in modified
             if old[path] != new[path]
         ],
diff --git a/scripts/completion/dvc.bash b/scripts/completion/dvc.bash
index 1fab7e1bb7..004685410c 100644
--- a/scripts/completion/dvc.bash
+++ b/scripts/completion/dvc.bash
@@ -21,7 +21,7 @@ _dvc_commit='-f --force -d --with-deps -R --recursive'
 _dvc_commit_COMPGEN=_dvc_compgen_DVCFiles
 _dvc_config='-u --unset --local --system --global'
 _dvc_destroy='-f --force'
-_dvc_diff='-t --show-json --checksums'
+_dvc_diff='-t --show-json --show-hash'
 _dvc_fetch='-j --jobs -r --remote -a --all-branches -T --all-tags -d --with-deps -R --recursive'
 _dvc_fetch_COMPGEN=_dvc_compgen_DVCFiles
 _dvc_get_url=''
diff --git a/scripts/completion/dvc.zsh b/scripts/completion/dvc.zsh
index 22084cb765..af97520e00 100644
--- a/scripts/completion/dvc.zsh
+++ b/scripts/completion/dvc.zsh
@@ -99,7 +99,7 @@ _dvc_destroy=(
 
 _dvc_diff=(
   "--show-json[Format the output into a JSON]"
-  "--checksums[Display checksums for each entry]"
+  "--show-hash[Display hash value for each entry]"
   "1:Old Git commit to compare (defaults to HEAD):"
   "2:New Git commit to compare (defaults to the current workspace):"
 )
@@ -254,7 +254,6 @@ _dvc_run=(
 
 _dvc_status=(
   {-j,--jobs}"[Number of jobs to run simultaneously.]:Number of jobs:"
-  "--show-checksums[Show checksums instead of file names.]"
   {-q,--quiet}"[Suppresses all output. Exit with 0 if pipelines are up to date, otherwise 1.]"
   {-c,--cloud}"[Show status of a local cache compared to a remote repository.]"
   {-r,--remote}"[Remote repository to compare local cache to.]:Remote repository:"
diff --git a/tests/func/test_diff.py b/tests/func/test_diff.py
index 7af8f3afca..827039fb13 100644
--- a/tests/func/test_diff.py
+++ b/tests/func/test_diff.py
@@ -22,7 +22,7 @@ def test_added(tmp_dir, scm, dvc):
     tmp_dir.dvc_gen("file", "text")
 
     assert dvc.diff() == {
-        "added": [{"path": "file", "checksum": digest("text")}],
+        "added": [{"path": "file", "hash": digest("text")}],
         "deleted": [],
         "modified": [],
     }
@@ -41,15 +41,15 @@ def test_no_cache_entry(tmp_dir, scm, dvc):
 
     assert dvc.diff() == {
         "added": [
-            {"path": os.path.join("dir", ""), "checksum": dir_checksum},
-            {"path": os.path.join("dir", "1"), "checksum": digest("1")},
-            {"path": os.path.join("dir", "2"), "checksum": digest("2")},
+            {"path": os.path.join("dir", ""), "hash": dir_checksum},
+            {"path": os.path.join("dir", "1"), "hash": digest("1")},
+            {"path": os.path.join("dir", "2"), "hash": digest("2")},
         ],
         "deleted": [],
         "modified": [
             {
                 "path": "file",
-                "checksum": {"old": digest("first"), "new": digest("second")},
+                "hash": {"old": digest("first"), "new": digest("second")},
             }
         ],
     }
@@ -61,7 +61,7 @@ def test_deleted(tmp_dir, scm, dvc):
 
     assert dvc.diff() == {
         "added": [],
-        "deleted": [{"path": "file", "checksum": digest("text")}],
+        "deleted": [{"path": "file", "hash": digest("text")}],
         "modified": [],
     }
 
@@ -76,7 +76,7 @@ def test_modified(tmp_dir, scm, dvc):
         "modified": [
             {
                 "path": "file",
-                "checksum": {"old": digest("first"), "new": digest("second")},
+                "hash": {"old": digest("first"), "new": digest("second")},
             }
         ],
     }
@@ -94,17 +94,13 @@ def test_refs(tmp_dir, scm, dvc):
     assert dvc.diff("HEAD~1") == {
         "added": [],
         "deleted": [],
-        "modified": [
-            {"path": "file", "checksum": {"old": HEAD_1, "new": HEAD}}
-        ],
+        "modified": [{"path": "file", "hash": {"old": HEAD_1, "new": HEAD}}],
     }
 
     assert dvc.diff("HEAD~2", "HEAD~1") == {
         "added": [],
         "deleted": [],
-        "modified": [
-            {"path": "file", "checksum": {"old": HEAD_2, "new": HEAD_1}}
-        ],
+        "modified": [{"path": "file", "hash": {"old": HEAD_2, "new": HEAD_1}}],
     }
 
     with pytest.raises(DvcException, match=r"unknown Git revision 'missing'"):
@@ -128,42 +124,40 @@ def test_directories(tmp_dir, scm, dvc):
         "added": [
             {
                 "path": os.path.join("dir", ""),
-                "checksum": "5fb6b29836c388e093ca0715c872fe2a.dir",
+                "hash": "5fb6b29836c388e093ca0715c872fe2a.dir",
             },
-            {"path": os.path.join("dir", "1"), "checksum": digest("1")},
-            {"path": os.path.join("dir", "2"), "checksum": digest("2")},
+            {"path": os.path.join("dir", "1"), "hash": digest("1")},
+            {"path": os.path.join("dir", "2"), "hash": digest("2")},
         ],
         "deleted": [],
         "modified": [],
     }
 
     assert dvc.diff(":/directory", ":/modify") == {
-        "added": [{"path": os.path.join("dir", "3"), "checksum": digest("3")}],
+        "added": [{"path": os.path.join("dir", "3"), "hash": digest("3")}],
         "deleted": [],
         "modified": [
             {
                 "path": os.path.join("dir", ""),
-                "checksum": {
+                "hash": {
                     "old": "5fb6b29836c388e093ca0715c872fe2a.dir",
                     "new": "9b5faf37366b3370fd98e3e60ca439c1.dir",
                 },
             },
             {
                 "path": os.path.join("dir", "2"),
-                "checksum": {"old": digest("2"), "new": digest("two")},
+                "hash": {"old": digest("2"), "new": digest("two")},
             },
         ],
     }
 
     assert dvc.diff(":/modify", ":/delete") == {
         "added": [],
-        "deleted": [
-            {"path": os.path.join("dir", "2"), "checksum": digest("two")}
-        ],
+        "deleted": [{"path": os.path.join("dir", "2"), "hash": digest("two")}],
         "modified": [
             {
                 "path": os.path.join("dir", ""),
-                "checksum": {
+                "hash": {
                     "old": "9b5faf37366b3370fd98e3e60ca439c1.dir",
                     "new": "83ae82fb367ac9926455870773ff09e6.dir",
                 },
diff --git a/tests/unit/command/test_diff.py b/tests/unit/command/test_diff.py
index 6ce2be58da..c70feac7e9 100644
--- a/tests/unit/command/test_diff.py
+++ b/tests/unit/command/test_diff.py
@@ -8,7 +8,7 @@ def test_default(mocker, caplog):
     args = parse_args(["diff"])
     cmd = args.func(args)
     diff = {
-        "added": [{"path": "file", "checksum": "00000000"}],
+        "added": [{"path": "file", "hash": "00000000"}],
         "deleted": [],
         "modified": [],
     }
@@ -23,21 +23,18 @@ def test_default(mocker, caplog):
     ) in caplog.text
 
 
-def test_checksums(mocker, caplog):
-    args = parse_args(["diff", "--checksums"])
+def test_show_hash(mocker, caplog):
+    args = parse_args(["diff", "--show-hash"])
     cmd = args.func(args)
     diff = {
         "added": [],
         "deleted": [
-            {"path": os.path.join("data", ""), "checksum": "XXXXXXXX.dir"},
-            {"path": os.path.join("data", "bar"), "checksum": "00000000"},
-            {"path": os.path.join("data", "foo"), "checksum": "11111111"},
+            {"path": os.path.join("data", ""), "hash": "XXXXXXXX.dir"},
+            {"path": os.path.join("data", "bar"), "hash": "00000000"},
+            {"path": os.path.join("data", "foo"), "hash": "11111111"},
         ],
         "modified": [
-            {
-                "path": "file",
-                "checksum": {"old": "AAAAAAAA", "new": "BBBBBBBB"},
-            }
+            {"path": "file", "hash": {"old": "AAAAAAAA", "new": "BBBBBBBB"}}
         ],
     }
     mocker.patch("dvc.repo.Repo.diff", return_value=diff)
@@ -55,11 +52,11 @@ def test_checksums(mocker, caplog):
     ) in caplog.text
 
 
-def test_json(mocker, caplog):
+def test_show_json(mocker, caplog):
     args = parse_args(["diff", "--show-json"])
     cmd = args.func(args)
     diff = {
-        "added": [{"path": "file", "checksum": "00000000"}],
+        "added": [{"path": "file", "hash": "00000000"}],
         "deleted": [],
         "modified": [],
     }
@@ -71,16 +68,14 @@ def test_json(mocker, caplog):
     assert '"modified": []' in caplog.text
 
 
-def test_json_checksums(mocker, caplog):
-    args = parse_args(["diff", "--show-json", "--checksums"])
+def test_show_json_and_hash(mocker, caplog):
+    args = parse_args(["diff", "--show-json", "--show-hash"])
     cmd = args.func(args)
 
     diff = {
         "added": [
             # py35: maintain a consistent key order for tests purposes
-            collections.OrderedDict(
-                [("path", "file"), ("checksum", "00000000")]
-            )
+            collections.OrderedDict([("path", "file"), ("hash", "00000000")])
         ],
         "deleted": [],
         "modified": [],
@@ -88,6 +83,6 @@ def test_json_checksums(mocker, caplog):
     mocker.patch("dvc.repo.Repo.diff", return_value=diff)
 
     assert 0 == cmd.run()
-    assert '"added": [{"path": "file", "checksum": "00000000"}]' in caplog.text
+    assert '"added": [{"path": "file", "hash": "00000000"}]' in caplog.text
     assert '"deleted": []' in caplog.text
     assert '"modified": []' in caplog.text