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