diff --git a/Help/release/dev/xl-supports-cxx14.rst b/Help/release/dev/xl-supports-cxx14.rst
new file mode 100644
index 0000000000..a18e0ad0cb
--- /dev/null
+++ b/Help/release/dev/xl-supports-cxx14.rst
@@ -0,0 +1,4 @@
+xlc-supports-cxx14
+----------------------
+
+* IBM AIX XL compiler have learned how to compile C++14.
diff --git a/Modules/Compiler/XL-CXX.cmake b/Modules/Compiler/XL-CXX.cmake
index ec3f1f8eea..3037851120 100644
--- a/Modules/Compiler/XL-CXX.cmake
+++ b/Modules/Compiler/XL-CXX.cmake
@@ -18,6 +18,11 @@ if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.1)
   set(CMAKE_CXX11_EXTENSION_COMPILE_OPTION "-qlanglvl=extended0x")
   set(CMAKE_CXX98_STANDARD__HAS_FULL_SUPPORT ON)
   set(CMAKE_CXX11_STANDARD__HAS_FULL_SUPPORT ON)
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.1.0)
+    set(CMAKE_CXX14_STANDARD_COMPILE_OPTION "-qlanglvl=extended1y")
+    set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-qlanglvl=extended1y")
+    set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
+  endif()
 endif ()
 
 __compiler_check_default_language_standard(CXX 10.1 98)
diff --git a/Modules/Compiler/XLClang-CXX.cmake b/Modules/Compiler/XLClang-CXX.cmake
index 03c7c7b75a..9ea3d7cace 100644
--- a/Modules/Compiler/XLClang-CXX.cmake
+++ b/Modules/Compiler/XLClang-CXX.cmake
@@ -15,6 +15,10 @@ if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13.1.1)
     set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++1y")
     set(CMAKE_CXX14_STANDARD__HAS_FULL_SUPPORT ON)
   endif ()
+  if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 16.1.0)
+    set(CMAKE_CXX14_STANDARD_COMPILE_OPTION  "-std=c++14")
+    set(CMAKE_CXX14_EXTENSION_COMPILE_OPTION "-std=gnu++14")
+  endif()
 endif()
 
 __compiler_check_default_language_standard(CXX 13.1.1 98)