Cognomen ສະເຫມສກ (ສະເຫມສກ 
) , in all the world, is a rare last name. The last name ສະເຫມສກ is characteristic of South-eastern Asia, particularly Laos, where it is quite a common surname. Also, ສະເຫມສກ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ສະເຫມສກ | Laos |