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Family name Giyasov (Гиясов , Giyasov ) , in all the world, is quite a rare surname. The cognomen Giyasov is habitual in Central Asia, particularly Uzbekistan, where it is quite a rare surname, Tajikistan, and Kyrgyzstan, where it is a rare surname. Not in comparison with a country's population, the name is most common in Uzbekistan, Russia, and Tajikistan. Much less frequently, Giyasov is the forename as well as the last name.