Cognomen 慕桓 (慕桓 
) , all over the world, is a very rare surname. The last name 慕桓 is habitual in Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 慕桓 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 慕桓 | China |