Mir Jafar bin Mir Hasan Dasni (Kurdish: Mîr Ceferê Dasnî‎), also known as Jafar bin Faharjis, was a Kurdish leader who in 838 launched an uprising against Abbasid Caliph al-Mutasim in the area north of Mosul. After being defeated at Babagesh he resided in castles in Dasin. Al-Mu'tasim in response sent an army under command of Abdullah bin Ans al-Azdi, resulting in an armed confrontation between the Arab army and Kurds. Due to the difficulty of the terrain, the Arab army proved unsuccessful, suffered heavy casualties and a number of its commanders including Abdullah's uncle Ishaq bin Ans and his father-in-law were killed.