Family name يدر (يدر 
, Yedder 
) , across the world, is quite a rare last name. The cognomen يدر is characteristic of Northern Africa, particularly Tunisia, where it is quite a rare surname, Libya, and Morocco, where it is a rare surname. Much less frequently, يدر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| يدر | Morocco, Iraq, Libya, Egypt, Saudi Arabia |
| Yedder | Algeria, Tunisia, Morocco, France, Libya |