Cognomen Rahaj (Rahaj 
) , all around the world, is a rare family name. The last name Rahaj is characteristic of Ethiopia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. Also, Rahaj is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rahaj | Ethiopia, Malaysia, United States, India, Peru |