(814–891) was a Japanese Buddhist monk who founded of the Jimon School of Tendai Buddhism, and Chief Abbot of Miidera at the foot of Mount Hiei. After succeeding to the post of Tendai Zasu, or Chief Tendai Abbot, in 873, a strong rivalry developed between his followers and those of Ennin's at the Enryakuji; (note: Ennin had died in 864).