Surname กุลวงศ์ไพศาล (กุลวงศ์ไพศาล 
) , across the world, is an extremely rare cognomen. The cognomen กุลวงศ์ไพศาล is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กุลวงศ์ไพศาล | Thailand |