Cognomen Hadher (Hadher 
) , globally, is a rare family name. The surname Hadher is habitual in Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Kuwait, and Saudi Arabia, where it is a very rare surname. Much less frequently, Hadher is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hadher | Saudi Arabia, United Arab Emirates, Kuwait, Colombia, India |