Michael O'Leary

Michael O'Leary may refer to:

Michael John O'Leary, Irish-Canadian recipient of the Victoria Cross
Michael O'Leary (politician), Irish politician and leader of the Irish Labour Party, 1981–82
Michael O'Leary (writer), New Zealand publisher, poet and novelist
Michael O'Leary (actor), actor in the long-running American soap opera Guiding Light
Michael O'Leary (businessman), CEO of low-cost Irish airline Ryanair
Michael O'Leary (pioneer), Australian pioneer
Michael O'Leary, a character played by Humphrey Bogart in the 1939 film ''Dark Victory''