Cognomen Nithikhun (Nithikhun 
) , around the world, is an extremely rare surname. The cognomen Nithikhun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Nithikhun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nithikhun | Thailand |