Family name نادان (Nadan 
, نادان 
) , across the world, is quite a common cognomen. The family name نادان is characteristic of Fiji, where it is quite a common surname, Mauritius, where it is quite a rare surname, and United Arab Emirates. Not in comparison with a country's population, the name is most common in India, Saudi Arabia, and Fiji. Also, نادان is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nadan | Saudi Arabia, United Arab Emirates, Fiji, India, France |
| نادان | Afghanistan, Saudi Arabia, United Arab Emirates |