Last name ເພງ (ເພງ 
) , around the world, is a rare surname. The family name ເພງ is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname. More prevalently, ເພງ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ເພງ | Laos |