August Hirt (April 28, 1898 – June 2, 1945) was an anatomist with Swiss and German nationality who served as a chairman at the Reich University in Strasbourg during World War II. He performed experiments with mustard gas on inmates at the Natzweiler-Struthof concentration camp and played a role in the murders of 86 people at Auschwitz. The skeletons of his victims became specimens at the l'Institut anatomique de Strasbourg. He was an SS-Hauptsturmführer (captain)