Cognomen សុម៉ន (សុម៉ន 
) , around the world, is an extremely rare surname. The family name សុម៉ន is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. More prevalently, សុម៉ន is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សុម៉ន | Cambodia |