Cognomen Rojwongviriya (Rojwongviriya 
) , in the world, is a very rare family name. The family name Rojwongviriya is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rojwongviriya | Thailand |
Siriporn, Rapreephan, and Rattanaporn