Cognomen Euawanthanakhun (Euawanthanakhun 
) , across the world, is a very rare surname. The cognomen Euawanthanakhun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Euawanthanakhun | Thailand |
Mukmanee, Komkrit, and Nathanaporn