Family name Khampeng (Khampeng 
) , throughout the world, is a rare last name. The surname Khampeng is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname, Thailand, where it is a rare surname, and Myanmar, where it is a very rare surname. Also, Khampeng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khampeng | Thailand, France, Laos, United States, Myanmar |