Index: clang-tools-extra/clang-tidy/cppcoreguidelines/InitVariablesCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/cppcoreguidelines/InitVariablesCheck.cpp
+++ clang-tools-extra/clang-tidy/cppcoreguidelines/InitVariablesCheck.cpp
@@ -83,7 +83,9 @@
   const char *InitializationString = nullptr;
   bool AddMathInclude = false;
 
-  if (TypePtr->isIntegerType())
+  if (TypePtr->isEnumeralType())
+    return;
+  else if (TypePtr->isIntegerType())
     InitializationString = " = 0";
   else if (TypePtr->isFloatingType()) {
     InitializationString = " = NAN";
Index: clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-init-variables.cpp
===================================================================
--- clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-init-variables.cpp
+++ clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines-init-variables.cpp
@@ -91,3 +91,18 @@
   } catch (int X) {
   }
 }
+
+enum Color { Red, Green, Blue };
+
+enum Car { Benz, BMW = 20, Audi = BMW + 2 };
+
+enum Gender : char { Male, Female };
+
+void enum_should_not_be_initialized() {
+  // Expect no warning given here.
+  Color color;
+  // Expect no warning given here.
+  Car car;
+  // Expect no warning given here.
+  Gender gender;
+}