Cognomen Pongphithakchai (Pongphithakchai 
) , in the entire world, is an extremely rare family name. The surname Pongphithakchai is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pongphithakchai | Thailand |
Repeepim, Atthaphong, and Boonrueang