Family name พสุพงศ์ (พสุพงศ์ 
) , around the world, is a very rare last name. The last name พสุพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, พสุพงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พสุพงศ์ | Thailand |