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), American stage and television actor

• Michael Haydn (1737–1806), Austrian composer
• Mike Heydon (1874–1913), American baseball player

• All pages with titles containing Michael Hayden