diff --git a/ansible/roles/octavia/templates/octavia.conf.j2 b/ansible/roles/octavia/templates/octavia.conf.j2
index 48bb231eb9..fed48e9cd4 100644
--- a/ansible/roles/octavia/templates/octavia.conf.j2
+++ b/ansible/roles/octavia/templates/octavia.conf.j2
@@ -13,6 +13,9 @@ bind_port = {{ octavia_api_listen_port }}
 ca_private_key_passphrase = {{ octavia_ca_password }}
 ca_private_key = /etc/octavia/certs/private/cakey.pem
 ca_certificate = /etc/octavia/certs/ca_01.pem
+{% if enable_barbican | bool %}
+region_name = {{ openstack_region_name }}
+{% endif %}
 
 [haproxy_amphora]
 server_ca = /etc/octavia/certs/ca_01.pem
diff --git a/releasenotes/notes/add-region-name-for-octavia-292594e29ef36bf2.yaml b/releasenotes/notes/add-region-name-for-octavia-292594e29ef36bf2.yaml
new file mode 100644
index 0000000000..094435f937
--- /dev/null
+++ b/releasenotes/notes/add-region-name-for-octavia-292594e29ef36bf2.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Adds necessary ``region_name`` to ``octavia.conf`` when
+    ``enable_barbican`` is set to ``true``. `LP#1867926
+    <https://launchpad.net/bugs/1867926>`__