Cognomen Auvanitkul (Auvanitkul 
) , worldwide, is a very rare last name. The family name Auvanitkul is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Auvanitkul | Thailand |
Jantakan, Jidranuch, Tanakrit, and Wiwantanee