Shoshin (1187 - August 16, 1275) is a Buddhist priest of the Jodo Shinshu (the True Pure Land Sect of Buddhism) who lived during the middle of the Kamakura period. His secular name is ONAKATOMI no Yoshiro. He is from Hitachi Province. He is the top of the twenty-four apprentices of Shinran (founder of the Jodo Shinshu).
After becoming a priest in 1204, he studied Jodo (Pure Land) sect of Buddhism under Honen (founder of Jodo sect) and later became a believer in Shinran's teachings. He built Hoon-ji Temple in Yokozone of the Shimosa Province (the present Joso City, Ibaraki Prefecture) and became a leading figure of the Yokozone monto (followers in Yokozone) centering around Yokozone and Iinuma. In the Heretical Incident (it refers to an incident where Zenran caused confusion among followers by spreading false teachings of Shinran) caused by Zenran, Shinran's son, Shoshin was known for his devotion to solution of the problem.