Family name Kok Loon (Kok Loon 
) , in all the world, is a very rare cognomen. The family name Kok Loon is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, and Thailand, where it is an extremely rare surname. More prevalently, Kok Loon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kok Loon | Australia, Singapore, Malaysia, Thailand |