Family name ສອນມະນ (ສອນມະນ 
) , throughout the world, is quite a rare cognomen. The last name ສອນມະນ is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname. Also, ສອນມະນ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ສອນມະນ | Laos |