Cognomen Chanatchaiphat (Chanatchaiphat 
) , all over the world, is a very rare last name. The family name Chanatchaiphat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanatchaiphat | Thailand |
Ittiwat, Raweewan, and Kanchanawan