Cognomen Garsun (Garsun 
) , across the world, is a very rare surname. The surname Garsun is characteristic of Thailand, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Very seldom, Garsun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Garsun | Nigeria, India, Thailand |