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