Cognomen Radje (Radje 
) , throughout the world, is a rare surname. The surname Radje is habitual in Indonesia, where it is a very rare surname, France, and Nigeria. Not in comparison with a country's population, it is the most numerous in Indonesia, India, and Nigeria. More prevalently, Radje is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Radje | Democratic Republic of the Congo, India, Nigeria, Indonesia, Philippines |