Family name กสิยพงศ์ (กสิยพงศ์ 
) , all over the world, is a very rare cognomen. The surname กสิยพงศ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, กสิยพงศ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กสิยพงศ์ | Thailand |