Surname กุลพญา (กุลพญา 
) , all around the world, is a rare family name. The family name กุลพญา is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, กุลพญา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กุลพญา | Thailand |