Stangl is a German surname. Notable people with the surname include:
Christian Stangl (born 1966), Austrian mountain climber Dalene Stangl (born 1956), American statistician Ernst Stangl (fl. 1970s), Austrian luger Franz Stangl (1908–1971), Austrian-born Nazi SS officer, commandant of Sobibor and Treblinka camps Johann Stangl (fl. 1950s), Austrian luger Josef Stangl (1907–1979), Roman Catholic bishop Karl Stangl (born 1930), Austrian rower Stefan Stangl (born 1991), Austrian footballer Thomas Stangl (1854–1921), German classical scholar