Surname Khamsavansouk (Khamsavansouk 
) , in the world, is a rare cognomen. The surname Khamsavansouk is characteristic of South-eastern Asia, particularly Laos, where it is quite a rare surname, and Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Khamsavansouk | Laos, Thailand |