Michael J. Ryan

Michael J. Ryan may refer to:

* Michael J. Ryan (athlete) (1889–1971), winner of the 1912 Boston Marathon * Michael J. Ryan (biologist) (), American biologist * Michael J. Ryan (doctor) (born 1965), Irish epidemiologist, surgeon, and chief executive director of the WHO Health Emergencies Programme * Michael J. Ryan (Irish politician) (died 1952), Irish barrister, professor and politician * Michael J. Ryan (Philadelphia politician) (1862–1943), president of the United Irish League of America * Michael James Ryan or Mike Ryan (1941–2020), American baseball player * Michael Joseph Ryan (footballer) or Mike Ryan (1930–2006), English footballer * Michael Joseph Ryan (media hoaxer) or Rocky Ryan (1937–2004), British media hoaxer Provided by Wikipedia