Friedrich August Eberhard von Mackensen (24 September 1889 – 19 May 1969) was a German general and war criminal during World War II who served as commander of the 1st Panzer Army and the 14th Army. Following the war, Mackensen stood trial for war crimes before a British military tribunal in Italy where he was convicted and sentenced to death for his involvement in the Ardeatine massacre. The sentence was later commuted and Mackensen was released in 1952. He died in West Germany in 1969.