Cognomen Айдини (Ajdini 
, Aidini 
, Hajdini ) , around the globe, is quite a common surname. The last name Айдини is characteristic of Kosovo, where it is a common surname, Albania, and North Macedonia, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Albania, Kosovo, and Serbia. Very seldom, Айдини is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ajdini | Greece, North Macedonia, Albania, Kosovo, Serbia |
| Aidini | Greece, Tanzania, Italy, United States, Georgia |
| Hajdini | Greece, Albania, Italy, Kosovo, Serbia |
| Айдини | Armenia |