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