Abu Nasr Qara Yusuf ibn Mohammad Barani was the ruler of the Qara Qoyunlu dynasty from c. 1388 to 1420, although his reign was interrupted by Tamerlane's invasion (1400–1405). He was the son of Qara Mahammad Töremish, a brother-in-law to Ahmad Jalayir.
- Occupation
- monarch, politician, military leader, sultan
- Citizenship
- Ottoman Empire
- Born
- 1357
- Died
- December 1420
