Cognomen Ariraj (Ariraj 
) , in all the world, is a very rare last name. The cognomen Ariraj is characteristic of Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. More frequently, Ariraj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ariraj | Malaysia, India, United States, Thailand |
Sathaiah, and Shanmugavelu