Щ-215 (transliterated as Shch-215 or sometimes SC-215) was a Soviet Navy Shchuka-class submarine, Type X. She was built at the Sudostroytelnyi zavod imeny 61 kommunara in Mykolaiv, Ukrainian SSR, and entered service in October 1938 with the Soviet Black Sea fleet based at Sevastopol. Shch-215 survived the Second World War, was reclassified С-215 (S-215 in the Roman alphabet) in 1949 and was decommissioned in 1955.