Uysyn (also spelled Uyshyn, Uyshun, Uysun, Uisyn, Usyn, Ushun, Ushin, Usun, etc.) is the name of one of the largest tribes of the Senior Juz in Kazakhstan. Uysyn history can be traced from the 3rd century BC. P.Pelliot and L.Ηambis determined a common origin of the ancient Wusun with the Sary-Uysuns, between the Kirgiz and Uzbek Ushuns and Uyshuns, and with the Uysuns of the Kazakh Senior Juz.
The modern Uysyn consist of two divisions, the Dulat (Dulu, Dogolat) and the Sary Uysyn ('"Yellow Uysyn").
The Dulat, numbering 250,000 people, is the larger subdivision, formally a tribe or a tribal confederation, in the Kazakh Senior Juz. It consists of the Botbai, Shymyr, Sikym, Yanys, Alban and Suan clans. The Suan clan is mentioned in Chinese dynastic chronicles under the name of the major Hunnish tribal subdivision, the Chuban (Chinese Yueban). The Dulat clan tamga is and . Numerous Eurasian royal dynasties were known by the names Dulat and Dulu, the most prominent being the royal dynasty of Kubrat (Kubrat) and Asparukh of Late Antique Bulgaria, rivals of the Ashina dynasty of Khazaria.
The Sary Uysyn, numbering 10,000 people, also belong to the Kazakh Senior Juz. It consists of the Kuttymbet, Janai, Jolai, Talai, Jandosai, Kuleke and Kyryk clans. The Sary Uysyn clan tamga is . The Sary Uysyn occupy the upper course of the Ili River.
An Uysyn diaspora also exists in modern Uzbekistan and Kyrgyzstan.
Read more about Uysyn: Society, Burial Traditions, Linguistic Affiliation, Usun-related Scholarship, References