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Around the world, Куанбай (Куанбай
, Kuanbay) is a rare boy's first name. The forename Куанбай is habitual in Azerbaijan, where it is quite a rare masculine name, and Kazakhstan, where it is a rare masculine name. Much less frequently, Куанбай is the last name as well as the forename.
Алиев, Тобетбаев, Сейткулов, Кулахметов, Сарсенбаев, and Сисенгалиев