Shōun0ji, Buddhist temple in Ichinoseki, Japan

Shōunji is a Rinzai-shū Myōshin-ji branch temple in Ichinoseki, Iwate Prefecture, with the mountain name Daijisan. Its main hall was rebuilt in 1921 after a Meiji-era fire, while the Hase Kannon hall and the Tenrin Issai-kyōzō sutra repository survived the blaze. The temple also holds the Tamura family cemetery of the former Ichinoseki domain lords.

The temple's predecessor was Chōkokuzan Daijiji, founded in Iwamatsu (Miyagi Prefecture) by Tamura Muneyoshi, lord of the Iwamatsu domain. His son Tamura Tatsuaki moved it to Ichinoseki in 1682 and renamed it Shōunji. Its founding patron was Fusako (Shōun-in), and the founding abbot was Daiki Ennō of Zuiganji in Matsushima. A 1913 reburial consolidated the Tamura family graves here.

The temple keeps the Tamura family, lords of Ichinoseki, as its patrons: their graves stand here, consolidated in 1913 into mound tombs modelled on the supposed grave of Sakanoue no Tamuramaro in Kyoto. The Hase Kannon hall and the revolving issaikyō sutra repository survived the Meiji-era fire and are city-designated cultural properties. The Boshō-in zushi, a cabinet honouring the mother of Date Hyōbu Munekatsu, is kept here on deposit and is a prefectural cultural property.

Shōunji is at 48-2 Daichō, Ichinoseki, a 17-minute walk or 5-minute drive from Ichinoseki Station, or 13 minutes by car from the Ichinoseki Interchange. The temple office is in the Hanazono Kaikan building. The Tamura family memorial hall, the Tenrin Issai Kyōzō sutra repository and the Hoshō-in mausoleum cabinet can be visited by reservation.

In 1999, under the 16th abbot, the temple opened a tree-burial cemetery in the Hagishō district of Ichinoseki: ashes are buried in the mountain and a single tree planted over them. The cemetery later gained its own religious-corporation status and now operates independently as Chishō-in, separate from Shōunji.