Family name Chantavat (Chantavat 
) , in all the world, is a very rare cognomen. The surname Chantavat is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname. Likewise, Chantavat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chantavat | United States, Thailand |