Family name ไพศาลเศรษฐี (ไพศาลเศรษฐี 
) , throughout the world, is an extremely rare cognomen. The surname ไพศาลเศรษฐี is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ไพศาลเศรษฐี | Thailand |