Thomas O'Connor may refer to:
Thomas O'Connor (bishop) (1755–1803), bishop of Achonry, County Sligo, Ireland Thomas O'Connor (writer) (1770–1855), Irishman who emigrated to New York where he was a journalist Thomas O'Connor (Wisconsin politician) (1815–1901), American politician and farmer Thomas O'Connor (rancher) (1819–1887), Texas cattle rancher and landowner originally from County Wexford, Ireland T. P. O'Connor (1848–1929), Irish nationalist, journalist, and politician Thomas V. O'Connor (1870–1935), Canadian-born American labor union leader Tommy O'Connor (criminal) (1880–1951), escaped Chicago convict Thomas Martin O'Connor (1913–1998), city attorney of San Francisco Thomas Burton O'Connor, (1914-1952), American journalist Tom O'Connor (Gaelic footballer) (1918–1997), Irish Gaelic footballer Thomas H. O'Connor (1923–2012), Boston historian Thomas J. O'Connor (1925–1996), mayor of Springfield, Massachusetts Thomas C. O'Connor (1927–2001), mayor of Norwalk, Connecticut, 1982–1983 Tommy O'Connor (died 1987), Irish footballer Tom O'Connor (comedian) (1939–2021), English comedian Santa Claus (politician) (Thomas Patrick O'Connor, born 1947), American politician, North Pole, Alaska Tom O'Connor (American football) (born 1963), American football punter Tom O'Connor (priest) (born mid-late 20th century), Irish local historian Thomas O'Connor (footballer) (born 1999), Irish footballer Thomas O'Connor (cricketer) (born 2004), New Zealand cricketer
See also Tomás O'Connor (disambiguation)