Cognomen Nirban (Nirban 
) , around the globe, is quite a rare surname. The surname Nirban is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Oman, where it is a rare surname, and Saudi Arabia. Not in comparison with a country's population, it most frequently occurs in India, Saudi Arabia, and United Arab Emirates. Likewise, Nirban is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nirban | Saudi Arabia, Oman, Bangladesh, India, United Arab Emirates |