Surname Chanyawatana (Chanyawatana 
) , worldwide, is a very rare last name. The cognomen Chanyawatana is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Chanyawatana | Thailand |
Piyakul, Punthila, Naishanok, and Natthitikarn