Last name Thatphongsakul (Thatphongsakul 
) , in all the world, is an extremely rare family name. The cognomen Thatphongsakul is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thatphongsakul | Thailand |
Chalinee, and Thitiworada