Cognomen Unyathanakorn (Unyathanakorn 
) , in the world, is a very rare surname. The last name Unyathanakorn is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Unyathanakorn | Thailand |
Tanit, Komwut, and Veerayooth