Cognomen Chiawwit (Chiawwit 
) , across the world, is a very rare surname. The family name Chiawwit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chiawwit | Thailand |
Kalya, Sorasit, Uthumporn, and Phatcharaporn