Steindl is a surname. It may refer to:
Andreas Steindl (b. 1989), Swiss ski mountaineer David Steindl-Rast (b. 1926), Catholic Benedictine monk Helmar Steindl (b. 1945), Austrian slalom canoer Imre Steindl (1839–1902), Hungarian architect Josef Steindl (1912–1993), Austrian-born Post-Keynesian economist Klaus T. Steindl (born 1966), Austrian film director Peter Steindl (b. 1970), head coach of the Scotland cricket team