Cognomen Chuop-Vanthavong (Chuop-Vanthavong 
) , across the world, is an extremely rare family name. The surname Chuop-Vanthavong is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Chuop, and a last name Vanthavong.
| VARIANT | COUNTRY |
|---|---|
| Chuop-Vanthavong | United States |