Cognomen ไพศาลสุวรรณ (ไพศาลสุวรรณ 
, Paisansuwan , Paisalsuwan ) , throughout the world, is a very rare last name. The surname ไพศาลสุวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไพศาลสุวรรณ, Paisansuwan, Phaisalsuwan, Paisalsuwan | Thailand |