Michael Mullen (disambiguation)

Michael Mullen (born 1946) is a US Navy admiral and a former Chairman of the Joint Chiefs of Staff for the US military.

Michael Mullen may also refer to:
 * Michael Mullen (Irish politician) (1919–1982), Irish Labour Party politician represented Dublin North West from 1961 to 1969
 * Michael Mullen (novelist), Irish novelist based in Mayo
 * Michael M. Mullen (1918–1978), Pennsylvania politician