Cognomen ອອນສ (ອອນສ 
) , worldwide, is a rare last name. The cognomen ອອນສ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. More frequently, ອອນສ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ອອນສ | Laos |