Dr. Peter Werfft-Wessely (Wien, 8 October 1904 – 23 July 1970), an Austrian chemist, was a Luftwaffe fighter ace in World War II, and a chemical industry entrepreneur after the war. He was also a recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes). The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.