Cognomen ເດອນ (ເດອນ 
) , all around the world, is a very rare surname. The family name ເດອນ is characteristic of South-eastern Asia, particularly Laos, where it is a rare surname. Much more frequently, ເດອນ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ເດອນ | Laos |