Steinle is a German-language surname. Notable people with the surname include:
Eduard Von Steinle (1810–1886), an Austrian painter Roland J. Steinle (1896–1966), an American judge Ulla Steinle, a West German canoeist Kathryn Steinle (19822015), an American woman fatally shot by an illegal alien in 2015
See also
Steinle Turret Machine Company, a historic building in Madison, Wisconsin