Surname Khamphou (Khamphou 
) , in the entire world, is a rare family name. The last name Khamphou is characteristic of Laos, where it is quite a rare surname, France, where it is a very rare surname, and Thailand, where it is an extremely rare surname. More frequently, Khamphou is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamphou | Thailand, France, Canada, Laos, United States |