Surname โรจนพรชัย (โรจนพรชัย 
) , around the world, is an extremely rare last name. The cognomen โรจนพรชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Also, โรจนพรชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| โรจนพรชัย | Thailand |