Family name กุลพงศ์ (กุลพงศ์ 
, Kunlapong , Kulpong 
) , around the world, is a very rare cognomen. The last name กุลพงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, กุลพงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กุลพงศ์, Kunlapong, Kulaphong | Thailand |
| Kulpong | Thailand, Philippines |
Koolapong, Kulapongs, Kullaphong, Kuluphong, Kulupong, and Kunlapongs