Family name Мустафаев (Мустафаев 
, Mustafayev 
, Mustafaev ) , throughout the world, is a common last name. The last name Мустафаев is habitual in Azerbaijan, where it is a common surname, Kazakhstan, where it is quite a common surname, and Russia, where it is quite a rare surname. Very seldom, Мустафаев is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Мустафаев | Kazakhstan, Azerbaijan, Belarus, Russia, Uzbekistan |
| Mustafaev, Mustafayev | Kazakhstan, Azerbaijan, Russia, Uzbekistan, Turkey |
| Moustafaev | Canada |
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мустафаев, абдул-басир хаджи RU (b. 1865) |
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| мустафаев, рефат шемсединович Crimean Tatar communist secretary and partisan leader, UA (b. 1911) |
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| мустафаев, асан сеферович Ukrainian association football player, UA (b. 1965) |
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| эскендер аметович мустафаев Ukrainian Paralympic swimmer, UA (b. 1981) |
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| мустафаев, бехбуд Catholic priest, AZ (b. 1982) |
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| мустафаев, магомед мустафаевич Russian mixed martial arts (MMA) fighter, RU (b. 1988) |
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