John O'Connor
John O'Connor may refer to:
- John Joseph O'Connor (1920–2000), Cardinal and eleventh bishop of the Archdiocese of New York
- John Joseph O'Connor (Bishop of Newark) (1855–1927), Fourth bishop of the Diocese of Newark
- Father John O'Connor (1870–1952), British priest
- John J. O'Connor (1885–1960), former US Representative from New York
- John Jay O'Connor (1930–2009), American lawyer and husband of United States Supreme Court Justice Sandra Day O'Connor
- John J. O'Connor (journalist) (1933–2009), American journalist and critic
- Johnny O'Connor (born 1980), Irish rugby union player
- John O'Connor (Canadian politician) (1824–1887), Canadian politician
- John O'Connor (painter) (1830–1889), Irish painter
- John O'Connor (Lord Mayor of Dublin) (c. 1835–1891), Lord Mayor of Dublin and MP for South Kerry
- John O'Connor Power (1846–1919), Irish politician
- John O'Connor (MP, KC) (1850–1928), Irish politician
- John O'Connor (English cricketer) (1867–1936), cricketer
- John O'Connor (Irish politician) (1896–1967), Irish Fianna Fáil politician
- John O'Connor (coach) (pre-1904 to post-1908), American college football coach
- John O'Conor (born 1947), Irish pianist
- John O'Connor (musician) (born ca. 1949), TV composer and recording artist from London
- John O'Connor (hurler) (born 1965), retired Irish sportsperson
- John O'Connor (Cork hurler), Irish sportsperson
See also