Cognomen Phuangsubsin (Phuangsubsin 
) , in the world, is an extremely rare family name. The surname Phuangsubsin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phuangsubsin | Thailand |
Anong, Chomphunut, and Chomphoonuch