Rudolf Mildner (July 7, 1902–1953?) was an SS-Standartenführer who served as the chief of the Gestapo at Katowice and who was the head of the political department at Auschwitz which conducted "third degree" methods of interrogation from March 1941 until September 1943. As such, he frequently sent prisoners to Auschwitz for incarceration or execution. He visited Auschwitz on several occasions. In December 1944, he was appointed chief of the SiPo, Gestapo and SD in Vienna. After the war, Mildner testified at the Nuremberg Trials and remained in custody until 1949.