Surname Koonasaegarun (Koonasaegarun 
) , in all the world, is a very rare family name. The cognomen Koonasaegarun is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname. Much less frequently, Koonasaegarun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Koonasaegarun | Malaysia |