Family name Phanitphotjamarnkul (Phanitphotjamarnkul 
) , in the entire world, is an extremely rare surname. The cognomen Phanitphotjamarnkul is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phanitphotjamarnkul | Thailand |