Cognomen Phungngam (Phungngam 
) , worldwide, is an extremely rare surname. The family name Phungngam is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Phungngam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Phungngam | Thailand, India |
Mam, Nattida, Thanaksaporn, and Phongsakon