SS Ryazan

Steamships named Ryazan include:


 * SS Ryazan, a Russian cargo liner in service 1909–14 that was captured by Imperial Germany and refitted as merchant raider SMS Cormoran (1909) before being scuttled in 1916 at Guam
 * SS Ryazan (1944), a Sovitet Hansa A Type cargo ship in service 1946–79