Biligtü Khan Ayushiridara, Mongolian emperor (d. 1378)
Biligtü Khan (Chinese: 必里克圖汗) or the Emperor Zhaozong of Northern Yuan (Chinese: 北元昭宗), born Ayushiridara (Билигт хаан Аюушридар; Chinese: 愛育識里達臘), was an emperor of the Northern Yuan dynasty, reigning from 1370 to 1378. He ascended to the throne after the death of his father who was the last Yuan emperor, defeated an invading Ming army in 1372 and recaptured some regions that were previously lost to the newly founded Ming dynasty.