diff --git a/Help/envvar/OBJCFLAGS.rst b/Help/envvar/OBJCFLAGS.rst
new file mode 100644
index 0000000000..2f308075c9
--- /dev/null
+++ b/Help/envvar/OBJCFLAGS.rst
@@ -0,0 +1,14 @@
+OBJCFLAGS
+---------
+
+.. versionadded:: 3.16
+
+.. include:: ENV_VAR.txt
+
+Add default compilation flags to be used when compiling ``Objective C`` files.
+
+.. |CMAKE_LANG_FLAGS| replace:: :variable:`CMAKE_OBJC_FLAGS <CMAKE_<LANG>_FLAGS>`
+.. |LANG| replace:: ``OBJC``
+.. include:: LANG_FLAGS.txt
+
+See also :variable:`CMAKE_OBJC_FLAGS_INIT <CMAKE_<LANG>_FLAGS_INIT>`.
diff --git a/Help/envvar/OBJCXXFLAGS.rst b/Help/envvar/OBJCXXFLAGS.rst
new file mode 100644
index 0000000000..089222a2e6
--- /dev/null
+++ b/Help/envvar/OBJCXXFLAGS.rst
@@ -0,0 +1,14 @@
+OBJCXXFLAGS
+-----------
+
+.. versionadded:: 3.16
+
+.. include:: ENV_VAR.txt
+
+Add default compilation flags to be used when compiling ``Objective C++`` (.mm) files.
+
+.. |CMAKE_LANG_FLAGS| replace:: :variable:`CMAKE_OBJCXX_FLAGS <CMAKE_<LANG>_FLAGS>`
+.. |LANG| replace:: ``OBJCXX``
+.. include:: LANG_FLAGS.txt
+
+See also :variable:`CMAKE_OBJCXX_FLAGS_INIT <CMAKE_<LANG>_FLAGS_INIT>`.
diff --git a/Help/manual/cmake-env-variables.7.rst b/Help/manual/cmake-env-variables.7.rst
index e693e4cdd5..a69ace66bb 100644
--- a/Help/manual/cmake-env-variables.7.rst
+++ b/Help/manual/cmake-env-variables.7.rst
@@ -92,7 +92,9 @@ Environment Variables for Languages
    /envvar/ISPC
    /envvar/ISPCFLAGS
    /envvar/OBJC
+   /envvar/OBJCFLAGS
    /envvar/OBJCXX
+   /envvar/OBJCXXFLAGS
    /envvar/RC
    /envvar/RCFLAGS
    /envvar/SWIFTC
diff --git a/Help/variable/CMAKE_LANG_FLAGS.rst b/Help/variable/CMAKE_LANG_FLAGS.rst
index 909a001a9c..4f8f46939e 100644
--- a/Help/variable/CMAKE_LANG_FLAGS.rst
+++ b/Help/variable/CMAKE_LANG_FLAGS.rst
@@ -24,6 +24,10 @@ combination with CMake's builtin defaults for the toolchain:
   Initialized by the :envvar:`HIPFLAGS` environment variable.
 * ``CMAKE_ISPC_FLAGS``:
   Initialized by the :envvar:`ISPCFLAGS` environment variable.
+* ``CMAKE_OBJC_FLAGS``:
+  Initialized by the :envvar:`OBJCFLAGS` environment variable.
+* ``CMAKE_OBJCXX_FLAGS``:
+  Initialized by the :envvar:`OBJCXXFLAGS` environment variable.
 
 This value is a command-line string fragment. Therefore, multiple options
 should be separated by spaces, and options with spaces should be quoted.