Cognomen Renj (Renj 
) , in all the world, is a very rare surname. The family name Renj is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Renj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Renj | South Africa, Malaysia, Philippines, United States, India |