Surname Чантхавонг (Чантхавонг 
) , in all the world, is a very rare family name. The cognomen Чантхавонг is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Чантхавонг | Russia, Belarus |
Chanthavong, and Chanthawong