Michael O'Connor
Michael O'Connor may refer to:
Politicians
- Michael O'Connor (Australian politician) (1865–1940), Australian politician
- Michael A. O'Connor, mayor (elected 2005) of Berwyn, Illinois, USA
- Michael P. O'Connor (1831–1881), U.S. Representative
Sportsmen
- Michael O'Connor (rugby) (born 1960), Australian rugby union and rugby league player
- Michael O'Connor (footballer born 1987), Northern Irish footballer for Port Vale and Northern Ireland
- Michael O'Connor (footballer born 1960), former Irish soccer player
- Michael O'Connor (baseball) (born 1980), Major League Baseball player
- Michael O'Connor (swimmer) (born 1984), from Bermuda
Others
- Mike O'Connor (journalist) (1946–2013), American journalist and correspondent for Mexico
- Michael O'Connor (bishop) (1810–1872), Catholic Bishop of Pittsburgh, U.S.A.
- Michael O'Connor (Australian bishop) (1829–1883), Roman Catholic Bishop of Ballarat
- Michael P. O'Connor (writer) (1896–1967), Irish doctor, writer and radio broadcaster
- Michael O'Connor (author) (born 1944), author, business advisor and motivational speaker
- Michael O'Connor (costume designer) (born 1965), English costume designer
- Michael J. O'Connor (1938–1992), American animator for the The Simpsons
- Michael O'Connor (priest) (born 1942), Dean of Auckland