Surname Puangsin (Puangsin 
) , globally, is a very rare family name. The surname Puangsin is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Puangsin | Thailand |
| buapan puangsin researcher (ORCID 0000-0002-6015-0321) |
|