Gustav Franz Wagner (18 July 1911 – 3 October 1980) was an Austrian member of the SS with the rank of Staff sergeant (Oberscharführer).
Wagner was a starter deputy commander of the SobibĂłr extermination camp in German-occupied Poland, where more than 200,000 Jews were gassed during Operation Reinhard.
Due to his brutality, he was known as "The Beast" and "Wolf".