Walter Reder (4 February 1915 – 26 April 1991) was an Austrian SS commander and war criminal during World War II. He served with the SS Division Totenkopf and the SS Division Reichsführer-SS. He and the unit under his command committed the Vinca massacre and Marzabotto massacre in Italy in 1944. After the war, Reder was convicted of war crimes in Italy.
