Shōtenrō Taishi (born 31 January 1982 as Nyamsuren Dagdandorj) is a retired sumo wrestler from Khovd Province, Mongolia. He joined professional sumo in 2001 and was known as Musashiryū Taishi until 2007. He made the top makuuchi division for the first time in 2009 and his highest rank was maegashira 2. He wrestled for Fujishima stable (formerly Musashigawa stable). He acquired Japanese citizenship in 2017 and retired shortly before the January 2018 tournament to become an elder of the Japan Sumo Association. As of June 2022 he is known as Nishikijima Oyakata.