Ekōin(回向院Ekōin), also known as Honjo Ekōin, is a Pure Land Buddhist temple in Ryōgoku, Tokyo. The formal name of the temple is Shoshuzan Muen-ji Ekōin(諸宗山 無縁寺 回向院), reflecting its founding principle of Pariṇāmanā, or the spreading of Amida Buddha's benevolence to all souls of all living creatures.