Cognomen الحمداني (Hamdani 
, الحمداني 
, Alhamdani 
) , in the entire world, is a widespread last name. The cognomen الحمداني is characteristic of Iraq, where it is a common surname, Oman, where it is quite a common surname, and Brunei (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in Iraq, Indonesia, and Algeria. Much less frequently, الحمداني is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Hamdani | Indonesia, Algeria, Morocco, Iraq, Pakistan |
| الحمداني | Syria, Iraq, Oman, Egypt, Sudan |
| Alhamdani | Indonesia, Morocco, Iraq, Oman, Malaysia |
| Al-Hamdani | United Arab Emirates, Iraq, Oman, Malaysia, Saudi Arabia |
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أبو فراس الحمداني Iraqi poet from the Abbasid era, IQ (b. 932) |
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| أبو تغلب الحمداني Hamdanid ruler, IQ (b. 901) |
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رعد مجيد الحمداني former prominent Iraqi Republican Guard General, IQ (b. 1951) |
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صلاح الحمداني Iraqi poet, actor and playwright, FR (b. 1951) |
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| عدنان الحمداني Iraqi politician, IQ (b. 1940) |
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| مهدي رشيد الحمداني Iraqi minister, IQ (b. 1967) |
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| عبد الأمير الحمداني Iraqi politician, IQ (b. 1967) |
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| أنور الحمداني Iraqi television presenter, IQ (b. 1974) |
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| عقيل الحمداني Iraqi translator, IQ (b. 1978) |
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| محمد الحمداني association football player, SA (b. 1994) |
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