Entsū-in (円通院) is a Buddhist temple located in the town of Matsushima, Miyagi Prefecture, Japan.

The mausoleum of Date Mitsumune is decorated with Namban art motifs inspired by late Sengoku period contact with the West, and has been designated an Important Cultural Property.

[1] The Main Hall has a thatched hip roof and is named the Daihitei (大悲亭, lit.

Inside is enshrined a Muromachi period statue of Kannon seated on a lotus throne.

[3][4] Inside, the shrine of Date Mitsumune is decorated with motifs including spades, hearts, diamonds, clubs, roses and other western flowers.