Qoşçaq beg (died 1551) was a statesman (uğlan) in Khanate of Kazan. From 1546 to 1551 he was a head of government during the reigns of Safagäräy and Söyembikä. He struggled against pro-Muscovite opposition. After the victory of Şahğäli's coup, he was forced to escape from Kazan. Russians caught and executed him after he refused to be baptized.
- (in Tatar) "article title". Tatar Encyclopaedia. Kazan: The Republic of Tatarstan Academy of Sciences. Institution of the Tatar Encyclopaedia. 2002.
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