diff --git a/docs/configuration/cluster_manager/cluster.rst b/docs/configuration/cluster_manager/cluster.rst
index cb78a199b917a..cc87ae27a1f7c 100644
--- a/docs/configuration/cluster_manager/cluster.rst
+++ b/docs/configuration/cluster_manager/cluster.rst
@@ -28,6 +28,7 @@ Cluster
 name
   *(required, string)* Supplies the name of the cluster which must be unique across all clusters.
   The cluster name is used when emitting :ref:`statistics <config_cluster_manager_cluster_stats>`.
+  The cluster name can be at most 60 characters long, and must **not** contain ``:``.
 
 type
   *(required, string)* The :ref:`service discovery type <arch_overview_service_discovery_types>` to
diff --git a/source/common/json/config_schemas.cc b/source/common/json/config_schemas.cc
index d7d6c693f326d..f3fb93b6530f8 100644
--- a/source/common/json/config_schemas.cc
+++ b/source/common/json/config_schemas.cc
@@ -1032,7 +1032,12 @@ const std::string Json::Schema::CLUSTER_SCHEMA(R"EOF(
     },
     "type" : "object",
     "properties" : {
-      "name" : {"type" : "string"},
+      "name" : {
+        "type" : "string",
+        "pattern" : "^[^:]+$",
+        "minLength" : 1,
+        "maxLength" : 60
+      },
       "type" : {
         "type" : "string",
         "enum" : ["static", "strict_dns", "logical_dns", "sds"]
diff --git a/test/common/upstream/cluster_manager_impl_test.cc b/test/common/upstream/cluster_manager_impl_test.cc
index 584e15aa48a93..8a9787d58d429 100644
--- a/test/common/upstream/cluster_manager_impl_test.cc
+++ b/test/common/upstream/cluster_manager_impl_test.cc
@@ -260,6 +260,40 @@ TEST_F(ClusterManagerImplTest, UnknownHcType) {
   EXPECT_THROW(create(*loader), EnvoyException);
 }
 
+TEST_F(ClusterManagerImplTest, MaxClusterName) {
+  std::string json = R"EOF(
+  {
+    "clusters": [
+    {
+      "name": "clusterwithareallyreallylongnamemorethanmaxcharsallowedbyschema"
+    }]
+  }
+  )EOF";
+
+  Json::ObjectPtr loader = Json::Factory::LoadFromString(json);
+  EXPECT_THROW_WITH_MESSAGE(create(*loader), Json::Exception,
+                            "JSON object doesn't conform to schema.\n Invalid schema: "
+                            "#/properties/name.\n Invalid keyword: maxLength.\n Invalid document "
+                            "key: #/name");
+}
+
+TEST_F(ClusterManagerImplTest, InvalidClusterNameChars) {
+  std::string json = R"EOF(
+  {
+    "clusters": [
+    {
+      "name": "cluster:"
+    }]
+  }
+  )EOF";
+
+  Json::ObjectPtr loader = Json::Factory::LoadFromString(json);
+  EXPECT_THROW_WITH_MESSAGE(create(*loader), Json::Exception,
+                            "JSON object doesn't conform to schema.\n Invalid schema: "
+                            "#/properties/name.\n Invalid keyword: pattern.\n Invalid document "
+                            "key: #/name");
+}
+
 TEST_F(ClusterManagerImplTest, TcpHealthChecker) {
   std::string json = R"EOF(
   {
diff --git a/test/test_common/utility.h b/test/test_common/utility.h
index 2e5bd9e3d16af..2376cfe8a6e31 100644
--- a/test/test_common/utility.h
+++ b/test/test_common/utility.h
@@ -5,6 +5,14 @@
 
 #include "common/http/header_map_impl.h"
 
+#define EXPECT_THROW_WITH_MESSAGE(statement, expected_exception, message)                          \
+  try {                                                                                            \
+    statement;                                                                                     \
+    ADD_FAILURE() << "Exception should take place. It did not.";                                   \
+  } catch (expected_exception & e) {                                                               \
+    EXPECT_EQ(message, std::string(e.what()));                                                     \
+  }
+
 class TestUtility {
 public:
   /**