Last name ألدين (Aldin 
, ألدين 
) , globally, is a common surname. The cognomen ألدين is habitual in Bosnia and Herzegovina, where it is quite a rare surname, Sudan, and Syria. Not in comparison with a country's population, the name is most common in Egypt, Sudan, and Indonesia. Also, ألدين is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aldin | Philippines, Bosnia and Herzegovina, Egypt, Sudan, Democratic Republic of the Congo |
| ألدين | Morocco, Iraq, Sudan, Egypt |