Surname ราจัน (Rajan 
, ราจัน 
) , throughout the world, is a widespread family name. The surname ราจัน is characteristic of Western Asia, particularly United Arab Emirates, where it is a common surname, Oman, where it is quite a common surname, and Qatar (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in India, United Arab Emirates, and Saudi Arabia. More prevalently, ราจัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rajan | United Arab Emirates, Saudi Arabia, Nepal, Malaysia, India |
| ราจัน | Thailand |