Cognomen Suk Un (Suk Un 
) , in all the world, is a very rare family name. The cognomen Suk Un is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Suk Un is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suk Un | Thailand, Mexico |
Wanida, and Thammanoon