diff --git a/changelogs/fragments/9604-mtu-allow-ipipgre-interfaces.yml b/changelogs/fragments/9604-mtu-allow-ipipgre-interfaces.yml
new file mode 100644
index 00000000000..9e1adf107e3
--- /dev/null
+++ b/changelogs/fragments/9604-mtu-allow-ipipgre-interfaces.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - nmcli - allow setting ``mtu`` parameter for ``ipip`` and ``gre`` interface types (https://github.com/ansible-collections/community.general/pull/9604).
diff --git a/plugins/modules/nmcli.py b/plugins/modules/nmcli.py
index 3aff17ea6e8..84187166817 100644
--- a/plugins/modules/nmcli.py
+++ b/plugins/modules/nmcli.py
@@ -2076,6 +2076,8 @@ def mtu_conn_type(self):
             'infiniband',
             'team-slave',
             'vlan',
+            'ipip',
+            'gre',
         )
 
     @property