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Last name Haydari (حیدری , Хаыдари , Haydari ) , globally, is a common family name. The surname Haydari is characteristic of Afghanistan, where it is quite a common surname, Iran, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in Afghanistan, Iran, and Turkey. Much less frequently, Haydari is the forename as well as the last name.