Tōeizan Kan'ei-ji Endon-in (東叡山寛永寺円頓院) is a Tendai Buddhist temple in Tokyo, Japan, founded in 1625 during the Kan'ei era by Tenkai, in an attempt to emulate the powerful religious center Enryaku-ji, in Kyoto. The main object of worship is Yakushirurikō Nyorai (薬師瑠璃光如来).