Cognomen Chantanawiwat (Chantanawiwat 
) , throughout the world, is a very rare last name. The surname Chantanawiwat is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chantanawiwat | Thailand |
Pattana, Phatpong, and Vachirawin