Cognomen Arul Raj (Arul Raj 
) , in all the world, is a very rare surname. The last name Arul Raj is characteristic of Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Arul Raj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arul Raj | Malaysia, India |