Michael Leahy may refer to:

• Michael Leahy (author) (born 1953), American writer
• Michael Leahy (politician) (1932–2007), Irish politician
• Michael P. T. Leahy (1934–2007), English philosopher
• Michael Leahy (trade unionist) (born 1949), General Secretary of the British Trade Union Community
• Mick Leahy (explorer) (1901–1979), Australian explorer
• Mick Leahy (boxer) (1935–2010), Irish/British boxer
• Mick Leahy (hurler) (1886–1950), Irish hurler
• Mike Leahy (born 1966), British virologist and TV presenter
• Mick Leahy (footballer), Irish footballer
• Mick Leahy (rugby union) (1935–2023), Irish rugby union player

This disambiguation page lists articles about people with the same name.
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