Feyerabend is a German surname. Notable people with the surname include:
Erich Feyerabend (1889–1945), German painter Gerhard Feyerabend (1898–1965), German WWII general in the Wehrmacht Henry Feyerabend (1931–2006), Canadian Adventist evangelist, singer, and author Markus Feyerabend (born 1971), German glider aerobatic pilot Paul Feyerabend (1924–1994), Austrian philosopher of science Sigmund Feyerabend (1528–1590), German printer