Cognomen Niyakun (Niyakun 
) , all over the world, is an extremely rare last name. The last name Niyakun is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, Niyakun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niyakun | India, Thailand |