Steinbacher is a German surname. Notable people with the surname include:

Arabella Steinbacher (born 1981), German violinist Friedrich Steinbacher (1877–1938), German ornithologist and pedagogue Georg Steinbacher (1910–1979), German ornithologist and zoo director Joachim Steinbacher (1911–2005), German ornithologist Hank Steinbacher (1913–1977), American baseball player Derek Steinbacher (born 1974), American craniomaxillofacial plastic and rhinoplasty surgeon