Surname Khampheng (Khampheng 
) , all around the world, is quite a rare cognomen. The cognomen Khampheng is characteristic of Laos, where it is quite a common surname, Thailand, where it is a very rare surname, and Norway. Measured by absolute frequency, the name is most common in Laos, Thailand, and France. More prevalently, Khampheng is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khampheng | Thailand, France, Canada, Laos, United States |