Surname Khampaun (Khampaun 
) , across the world, is an extremely rare last name. The last name Khampaun is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, Khampaun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khampaun | United States, Thailand |