Stangl is a German surname. Notable people with the surname include:
Thomas Stangl (1854-1921), classical scholar
Josef Stangl (1907-1979), Roman Catholic bishop who consecrated Pope Benedict XVI
Franz Stangl (1908-1971) SS officer and commandant of the Sobibor and then Treblinka extermination camps
Johann Stangl (fl. 1950s), Austrian luger
Ernst Stangl (fl. 1970s), Austrian luger
Christian Stangl (born 1966), Austrian mountain climber
Stefan Stangl (born 1991), Austrian footballer
Zachary Stangl* (born 1989), American Footballer