Cognomen ສມມະລ (ສມມະລ 
) , across the world, is a rare last name. The family name ສມມະລ is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. Also, ສມມະລ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ສມມະລ | Laos |