Cognomen Khunsun (Khunsun 
) , around the globe, is a very rare last name. The surname Khunsun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Khunsun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khunsun | India, Thailand |