Globally, Delef (Delef 
) is a very rare unisex forename. The first name Delef is habitual in Western Asia, particularly Turkey, where it is a very rare largely female, but uncommonly boy's name. Very seldom, Delef is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Delef | Turkey, Germany, United States, India, Argentina |