Arthur Hermann Florstedt (18 February 1895 – 15 April 1945), NSDAP card number 488 573 (the SS: 8660), was a Nazi German war criminal and convicted war profiteer. He became the third Commandant of Majdanek concentration camp in October 1942. A World War I veteran, Florstedt was awarded the Iron Cross by Nazi Germany which didn't prevent him from being executed by the SS in 1945.