Last name علاءالدین (Aladin 
, Alaaddin 
, علاءالدین 
) , globally, is quite a common family name. The family name علاءالدین is characteristic of Georgia, where it is quite a rare surname, Bosnia and Herzegovina, and Tunisia. Not in comparison with a country's population, the name is most common in Indonesia, Malaysia, and Algeria. More prevalently, علاءالدین is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aladin | Indonesia, Tunisia, Algeria, Philippines, India |
| Alaaddin | Turkey, Egypt, Malaysia, United States, India |
| علاءالدین | Afghanistan, Sudan, Iran |
| Alouddin | Oman, India |
| رضا علاءالدین IR |
|