diff --git a/templates/configmap.yaml b/templates/configmap.yaml
index b81a35b..605005f 100644
--- a/templates/configmap.yaml
+++ b/templates/configmap.yaml
@@ -40,6 +40,13 @@ data:
         set_real_ip_from 192.168.0.0/16;
         real_ip_recursive on;
 
+        # WordPress Multisite対応
+        if (!-e $request_filename) {
+            rewrite /wp-admin$ $scheme://$host$request_uri/ permanent;
+            rewrite ^(/[^/]+)?(/wp-.*) $2 last;
+            rewrite ^(/[^/]+)?(/.*\.php) $2 last;
+        }
+
         location / {
             try_files $uri $uri/ /index.php?$args;
         }