Steinn

Steinn may refer to:


 * Andri Steinn (born 1979), Icelandic film editor
 * Guðmundur Steinn Gunnarsson (born 1982), Icelandic composer
 * Hallar-Steinn, Icelandic poet active around the year 1200
 * Snorri Steinn Gudjonsson (born 1981), Icelandic handball player
 * Steinn O. Thompson (1893–1972), politician in Manitoba, Canada
 * Steinn Steinarr (1908–1958), Icelandic poet
 * Kári Steinn Karlsson (born 1986), Icelandic long-distance runner
 * Hjörvar Steinn Grétarsson (born 1993), Icelandic chess player