Family name Punjumrern (Punjumrern 
) , around the globe, is a very rare surname. The cognomen Punjumrern is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Punjumrern | Thailand |
Ratree, Preecha, Ratchapon, Pitchaporn, and Saowalukprapa