Family name Айдин (Aydin 
, Ajdin 
, Aidin 
) , globally, is a widespread surname. The last name Айдин is habitual in Turkey, where it is a widespread surname, North Macedonia, where it is quite a common surname, and Bosnia and Herzegovina (explore the name in all countries). In absolute terms, it is the most numerous in Turkey, Germany, and France. Much less frequently, Айдин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aydin | Germany, France, Azerbaijan, Indonesia, Turkey |
| Ajdin | Germany, North Macedonia, Bosnia and Herzegovina, France, United States |
| Aidin | Germany, Iran, France, Indonesia, Turkey |
| Айдин | Ukraine, Kazakhstan, Russia, Azerbaijan, Kyrgyzstan |