Family name Birkdar (Birkdar 
) , in the world, is a rare cognomen. The family name Birkdar is habitual in Syria, where it is quite a rare surname, Spain, where it is an extremely rare surname, and the United States. Very seldom, Birkdar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Birkdar | Syria, Spain, United States |