Michael or Mike Riordan may refer to: Michael Riordan (physicist) (born 1946), American physicist and historian Michael H. Riordan (born 1951), American economist Michael Paul Riordan (1789–1862), Christian Brother Mike Riordan (basketball) (born 1945), American basketball player Mike Riordan (American football), American football player
See also Michael O'Riordan (1917–2006), founder of the Communist Party of Ireland Michael O'Riordan (priest) (1857–1919), Irish priest