Surname Phaibunsawat (Phaibunsawat 
) , all over the world, is a very rare family name. The family name Phaibunsawat is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phaibunsawat | Thailand |
Sasichai, Chakkapong, and Jakkraphan