Surname الدي (Aldi 
, الدي 
) , globally, is a common cognomen. The surname الدي is characteristic of Indonesia, where it is quite a common surname, Albania, where it is quite a rare surname, and Turkey. Not in comparison with a country's population, it is commonest in Indonesia, Turkey, and India. More prevalently, الدي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Aldi | Turkey, Indonesia, Democratic Republic of the Congo, Brazil, Albania |
| الدي | Saudi Arabia, Yemen, Sudan, Syria, Egypt |