Cognomen Khamsavang (Khamsavang 
) , in all the world, is an extremely rare family name. The last name Khamsavang is habitual in Northern America, particularly the United States, where it is an extremely rare surname. More prevalently, Khamsavang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khamsavang | United States |