Cognomen Rojanavichien (Rojanavichien 
) , all around the world, is a very rare surname. The cognomen Rojanavichien is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Rojanavichien is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rojanavichien | Thailand |