Last name Алааеддин (Алааеддин 
) , globally, is an extremely rare cognomen. The surname Алааеддин is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. Much less frequently, Алааеддин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Алааеддин | Russia |
Alaaeddin, and Alaaeddine