Cognomen Heydari (حیدری 
, حيدري , Heydari 
) , in all the world, is a widespread surname. The family name Heydari is habitual in Iran, where it is a common surname, Afghanistan, where it is quite a common surname, and Iraq, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| حيدري, حیدری | Afghanistan, Saudi Arabia, Iraq, Syria, Iran |
| Heydari | Afghanistan, Sweden, United States, Iran, Germany |
| Хейдари | Kazakhstan, Armenia, Russia |
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shadiye heydari Swedish politician, SE (b. 1967) |
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| abolfazl heydari researcher |
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| rouhollah heydari researcher (ORCID 0000-0001-5299-8739) |
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| azhdar heydari researcher |
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| gholamreza heydari researcher |
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| amir heydari researcher (ORCID 0000-0001-8357-6694) |
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| heshmatolah heydari researcher (ORCID 0000-0002-3520-4199) |
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| mojgan heydari researcher (ORCID 0000-0003-2239-3864) |
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| sara heydari researcher (ORCID 0000-0003-0033-7028) |
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| esmaeil heydari researcher ORCID ID = 0000-0002-3628-5875 |
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| shahram heydari researcher |
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| mohammad.eghbal heydari researcher (ORCID 0000-0002-0360-0445) |
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| hassan heydari researcher |
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| jonathan heydari Ph.D. University of Newcastle 2014 |
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| mohammad reza heydari Iranian film composer |
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