Ashina (; Middle Chinese: (Guangyun) ), also spelled Asen, Asena, or Açina, was a tribe and the ruling dynasty of the ancient Turks who rose to prominence in the mid-6th century when their leader, Bumin Khan, revolted against the Rouran. The two main branches of the family, one descended from Bumin and the other from his brother Istemi, ruled over the eastern and western parts of the Göktürk empire, respectively.

Ashina (; Middle Chinese: (Guangyun) ), also spelled Asen, Asena, or Açina, was a tribe and the ruling dynasty of the ancient Turks who rose to prominence in the mid-6th century when their leader, Bumin Khan, revolted against the Rouran. The two main branches of the family, one descended from Bumin and the other from his brother Istemi, ruled over the eastern and western parts of the Göktürk empire, respectively.