Feyerabend is a German surname. Notable people with the surname include: Gerhard Feyerabend, German WWII general in the Wehrmacht Henry Feyerabend, Adventist evangelist, singer, and author Markus Feyerabend, glider aerobatic pilot Paul Karl Feyerabend, 20th century Austrian philosopher of science Sigmund Feyerabend, printer German-language surnames