Surname พสิษฐพงศ์ (พสิษฐพงศ์ 
) , in the entire world, is an extremely rare family name. The surname พสิษฐพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| พสิษฐพงศ์ | Thailand |