Cognomen Phuangmathet (Phuangmathet 
) , all over the world, is a very rare family name. The cognomen Phuangmathet is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuangmathet | Thailand |
Thip, Somboon, Niyakorn, Khanathip, and Phrasomboon