Surname Poonsawasd (Poonsawasd 
) , throughout the world, is an extremely rare family name. The cognomen Poonsawasd is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Poonsawasd | Thailand |
Suppanut, Sarochinee, and Passaraporn