Cognomen Rojnawakorn (Rojnawakorn 
) , in the world, is a very rare family name. The family name Rojnawakorn is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rojnawakorn | Thailand |
Supakinee, Nuchanat, and Napaphatsanan