盛隆寺, Nichiren Buddhist temple in Senoo, Okayama, Japan

Seiryuji is a Nichiren Buddhist temple in the Senoo district of Minami Ward, Okayama, with the mountain name Keiunzan. Its main hall dates from 1782 and its Niomon gate was rebuilt in 1762. The grounds also hold a Thirty Guardian Deities hall, a Kannon hall, a Shichimen hall, an Inari hall and a bell tower, plus the tombs of the Togawa family, lords of the Nadasé domain.

Founded in 1605 (Keichō 10), Jōryū-ji was established by the nun Shinjō-in Nichiyū to pray for her daughter, wife of Ukita Akie, with Jōkoku-in Nippō as founding abbot. The main hall dates from 1782 and the Niō gate was rebuilt in 1762. The temple holds the graves of Togawa Tachiyasu, lord of the Naze domain, and his family.

The temple belongs to the Nichiren school and was founded in 1605 by the nun Shinjōin-dono Nichiyū to pray for her daughter, who was married into the Ukita family. Its mountain name is Keiun-san, and the surrounding area was so devoutly Nichiren that it was called Seno-senken mina Hokke, "all-Lotus Seno".

Seiryuji stands in Seno, Minami-ku, in the south of Okayama city, not in the centre. The temple is reached from Seno Station on the JR Uno Line; the grounds hold the main hall of 1782, the Niomon gate rebuilt in 1762, and the graves of the Togawa family, lords of the Nadasé domain.

The temple holds the graves of Togawa Tachiyasu, lord of the Tase domain, and his family. The Togawa clan were patrons of several of its sub-temples, including Zenritsu-in, converted from the Shingon sect in 1617 with Togawa Michiyasu as its lay founder.