Michael Hayden may refer to:
- Michael Hayden (artist) (born 1943), Canadian artist
- Mike Hayden (born 1944), Kansas governor
- Michael Hayden (general) (born 1945), former National Security Agency (NSA) director, former CIA director
- Michael R. Hayden (born 1951), Canadian physician, geneticist and scientific researcher
- Michael Hayden (actor) (born 1963), stage and television actor