Last name សុមន៏ (សុមន៏ 
) , in all the world, is an extremely rare family name. The family name សុមន៏ is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Likewise, សុមន៏ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| សុមន៏ | Cambodia |