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