Family name ສມຮກ (ສມຮກ 
) , worldwide, is a very rare surname. The cognomen ສມຮກ is habitual in South-eastern Asia, particularly Laos, where it is a rare surname. More frequently, ສມຮກ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ສມຮກ | Laos |