Surname Phanruengwong (Phanruengwong 
) , globally, is a very rare cognomen. The family name Phanruengwong is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phanruengwong | Thailand |
Saowaluk, Nobnarat, and Thanyaporn