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

Bernard Schmidl, Paralympic volleyball player for Germany Marianne Schmidl (1890–1942), Austrian ethnologist Peter Schmidl (1941–2025), Austrian classical clarinetist Ulrich Schmidl (1510–1579), German Landsknecht, conquistador, explorer, chronicler and councilman

See also Schmiedel Dovid Schmidel