Surname กุลสุ (Kunsu 
, กุลสุ 
) , in all the world, is a rare cognomen. The surname กุลสุ is habitual in Ghana, where it is a rare surname, Thailand, and Malaysia, where it is a very rare surname. Also, กุลสุ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kunsu | Japan, China, South Korea, Ghana, India |
| กุลสุ | Thailand |