Steyer is a German-language surname. Notable individuals with the surname include:
(born 1946), German actor and musician (1842–1900), German politician (1834–1887), German politician (1909–1944), German footballer Heinz-Steyer-Stadion, a football and athletics stadium in Dresden Jim Steyer (born 1956), American child advocate Joachim Steyer (born 1966), German politician (1630–1692), Czech Jesuit, preacher, educator, translator and author (1839–1907), German landowner and politician Tom Steyer (born 1957), American asset manager, philanthropist and environmentalist Włodzimierz Steyer (1892–1957), Polish naval officer
See also Steyr Steyrer Steer (surname)