Cognomen Pholtanasak (Pholtanasak 
) , in the world, is a very rare family name. The surname Pholtanasak is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pholtanasak | Thailand |
Thapanid, Amornthep, Nutthawut, and Chompassorn