Cognomen Roychan (Roychan 
) , in all the world, is a rare last name. The last name Roychan is habitual in Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Roychan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roychan | India, Indonesia, South Africa |