Family name Mahajun (Mahajun 
) , in the world, is a very rare surname. The family name Mahajun is characteristic of Mauritius, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and Thailand. Not in comparison with a country's population, it most frequently occurs in Mauritius, Thailand, and Philippines. More frequently, Mahajun is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mahajun | Philippines, Thailand, India, Malaysia, Mauritius |