Surname Khampoune (Khampoune 
) , worldwide, is an extremely rare family name. Much more frequently, Khampoune is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khampoune | United States, Canada |
Keomany, Thaboun, Sonexayarath, Soumamane, Arounsack, Sengsavang, and Khamkheuang