Michael O'Connor
Michael O'Connor may refer to:
Politicians
- Michael O'Connor (Australian politician), Australian politician
- Michael O'Connor (Wisconsin politician), Wisconsin state assemblyman
- Michael J. O'Connor (politician), American politician in the state of South Dakota
- Michael P. O'Connor (politician), U.S. representative
Sportsmen
- Michael O'Connor (baseball), Major League Baseball player
- Michael O'Connor (Canadian football), Canadian football quarterback
- Michael O'Connor (footballer, born 1960), Irish association footballer
- Michael O'Connor (footballer, born 1987), Northern Irish footballer for Salford City and Northern Ireland
- Michael O'Connor (footballer, born 1998), Irish association footballer
- Michael O'Connor (hurler), Irish hurler
- Michael O'Connor (rugby), Australian rugby union and rugby league player
- Mick O'Connor (rugby league), Australian rugby league player
- Michael O'Connor (swimmer), from Bermuda
- Michael O'Connor (water polo), Irish water polo player
Others
- Michael O'Connor (artist), Irish stained glass artist
- Michael O'Connor (American bishop), Catholic bishop of Pittsburgh, U.S.A.
- Michael O'Connor (Australian bishop), Roman Catholic bishop of Ballarat
- Michael O'Connor (costume designer), English costume designer
- Michael O'Connor (priest), dean of Auckland
- Michael O'Connor (union official), national secretary of the Australian Construction, Forestry, Maritime, Mining and Energy Union
- Michael J. O'Connor , American animator for The Simpsons
- Michael P. O'Connor (writer), Irish doctor, writer and radio broadcaster
- Michael Patrick O'Connor, American linguist
- Michael O'Connor (centenarian), Irish centenarian
- Mike O'Connor (journalist), American journalist and correspondent for Mexico