Surname الحيدر (الحيدر 
) , in the world, is quite a rare last name. The family name الحيدر is habitual in Western Asia, particularly Syria, where it is quite a common surname, Iraq, where it is quite a rare surname, and Saudi Arabia. Very seldom, الحيدر is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| الحيدر | Saudi Arabia, Yemen, Syria, Lebanon, Iraq |
|
ماجد الحيدر Iraqi poet, IQ (b. 1960) |
|