Family name ວງຈນ (ວງຈນ 
) , throughout the world, is a rare surname. The surname ວງຈນ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. Likewise, ວງຈນ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ວງຈນ | Laos |