Surname Chai Kin (Chai Kin 
) , all over the world, is an extremely rare last name. The surname Chai Kin is habitual in South-eastern Asia, particularly Malaysia, where it is an extremely rare surname. Much more prevalently, Chai Kin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chai Kin | Malaysia, Singapore |