diff --git a/ansible/roles/magnum/templates/magnum.conf.j2 b/ansible/roles/magnum/templates/magnum.conf.j2
index 7e143d7ed8..d9a3be3620 100644
--- a/ansible/roles/magnum/templates/magnum.conf.j2
+++ b/ansible/roles/magnum/templates/magnum.conf.j2
@@ -23,12 +23,21 @@ max_retries = -1
 default_docker_volume_type = {{ default_docker_volume_type }}
 {% endif %}
 
+[magnum_client]
+region_name = {{ openstack_region_name }}
+endpoint_type = internalURL
+
 [heat_client]
 region_name = {{ openstack_region_name }}
 endpoint_type = internalURL
 
+[octavia_client]
+region_name = {{ openstack_region_name }}
+endpoint_type = internalURL
+
 [cinder_client]
 region_name = {{ openstack_region_name }}
+endpoint_type = internalURL
 
 [barbican_client]
 region_name = {{ openstack_region_name }}
diff --git a/releasenotes/notes/clients-in-magnum-use-internalURL-af3ad82af71a88c6.yaml b/releasenotes/notes/clients-in-magnum-use-internalURL-af3ad82af71a88c6.yaml
new file mode 100644
index 0000000000..0cfbd32ecf
--- /dev/null
+++ b/releasenotes/notes/clients-in-magnum-use-internalURL-af3ad82af71a88c6.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    In line with clients for other services used by Magnum, it now uses
+    endpoint_type = internalURL also for Magnum itself, Cinder and Octavia
+    clients. In the same tune, these services also use the globally defined
+    `openstack_region_name`.