Cognomen Khainun (Khainun 
) , around the world, is a very rare last name. The last name Khainun is characteristic of Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Khainun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khainun | Thailand, India, Indonesia |