Cognomen Phaisansomsuk (Phaisansomsuk 
) , throughout the world, is an extremely rare surname. The family name Phaisansomsuk is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Phaisansomsuk | Thailand |
| suwat phaisansomsuk badminton player, TH (b. 1988) |
|