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