Cognomen Khaairuddin (Khaairuddin 
) , worldwide, is an extremely rare last name. The surname Khaairuddin is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. Likewise, Khaairuddin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khaairuddin | Malaysia |