Cognomen Phitsawong (พิศวง 
, พิศวงศ์ , Phitsawong 
) , globally, is a rare surname. The surname Phitsawong is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is an extremely rare surname. Also, Phitsawong is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พิศวงศ์, พิศวง | Thailand |
| Phitsawong | Malaysia, Thailand |