# O'Connor (surname)

O'Connor (Irish: Ó Conchobhair) is a surname. Notable people with the surname include:

## Medieval kings

* Cathal Crobhdearg Ua Conchobair (1153–1224), King of Connacht
* Conchobar Máenmaige Ua Conchobhair (died 1189) last independent King of Connacht
* Ruaidhrí Ó Conchobhair (died 1198), last High King of Ireland (also known as Rory O'Connor)
* Toirdealbhach Mac Ruaidhrí Ó Conchobhair (1088–1156), High King of Ireland (also known as Turlough O'Connor)

## Arts

* Alexander James O'Connor, more known as Rex Orange County (born 1998), British singer-songwriter
* Brian O'Connor, American bassist
* Caroline O'Connor (born 1962), Australian singer, dancer and actress
* Carroll O'Connor (1924–2001), American actor
* Celeste O'Connor (born 1998), American actress
* Claudio O'Connor (born 1963), Argentine singer
* Denis O'Connor (New Zealand sculptor) (born 1947), New Zealand ceramicist, sculptor and writer
* Denis O'Connor (British-Irish sculptor), sculptor
* Des O'Connor (1932–2020), British singer and TV comedian
* Donald O'Connor (1925–2003), American actor and entertainer
* Elmo O'Connor (born 1994), American rapper and singer known as BONES, founder of TeamSESH.
* Ella Marija Lani Yelich-O'Connor, more known as Lorde (born 1996), New Zealand singer-songwriter
* Flannery O'Connor (1925–1964), American author
* Frank O'Connor (1903–1966), Irish author
* Frank O'Connor (1881–1959), American actor, director, and screenwriter
* Frank O'Connor (Charles Francis O'Connor) (1897–1979), American actor and husband of Ayn Rand
* Gavin O'Connor (born 1964), American film director, screenwriter, producer, playwright and actor
* Gavin O'Connor (born 1972), Irish actor
* Hazel O'Connor (born 1955), English singer and actress
* James O'Connor, American drummer
* Joe O'Connor, American actor
* Josef O'Connor, artist
* Joseph O'Connor (born 1963), Irish novelist
* Josh O'Connor (born 1990), British actor
* Mark O'Connor (born 1961), American fiddler
* Raymond O'Connor (died 2023), American character actor
* Renee O'Connor (born 1971), American actress
* Ruairi O'Connor (born 1991), Irish actor
* Simon O'Connor (born 1949), New Zealand actor and playwright
* Sinéad O'Connor (1966–2023), Irish singer-songwriter
* Una O'Connor (1880–1959), Irish character actress
* O'Connor, Argentinian band

## Law and politics

* Alexander O'Connor, Fijian politician
* Arthur O'Connor (1763–1852), United Irishman and later a general in Napoleon's army
* Basil O'Connor (1892–1972), American lawyer, co-founded National Foundation for Infantile Paralysis with Franklin D. Roosevelt
* Batt O'Connor, Irish builder, who worked for the revolutionary Michael Collins
* Bob O'Connor (mayor) (1944–2006), Mayor of Pittsburgh, Pennsylvania
* Dennis O'Connor, Associate Chief Justice of Ontario
* Edmund O'Connor (1848–1898), President pro tem of the NY State Senate 1895
* Feargus O'Connor (1794–1855), Irish Chartist leader
* Frank O'Connor (1903–1966), Canadian politician
* Frank D. O'Connor (1909–1992), New York politician
* Gavan O'Connor (born 1947), Australian politician
* Gordon O'Connor (born 1939), Canadian politician
* James O'Connor (1870–1941), American politician
* Jeremiah F. O'Connor (1933–2010), American politician
* Jerry L. O'Connor (born 1953), American politician
* John O'Connor (1824–1887), Canadian politician
* Joseph O'Connor, Irish author
* Joseph O'Connor, Irish revolutionary, soldier and politician
* Joseph O'Conor (1916–2001), Irish actor
* Judith G. O'Connor (born 1936), American politician
* Justice O'Connor (disambiguation), various people
* Sir Kenneth O'Connor (1896–1985), British Judge
* Larry O'Connor (born 1956), Canadian politician
* Máireag Bean Uí Conchobhair Fáilghe, (died 1451), Queen, and patron of the arts
* Maureen O'Connor (born 1951), Lieutenant Governor of Ohio and member of the Ohio Supreme Court
* Maureen O'Connor (born 1946), mayor of San Diego, California, from 1985 to 1992
* Matt O'Connor, founder of the fathers' rights pressure group Fathers 4 Justice
* Michael O'Connor (1865–1940), Australian politician
* Patrick J. O'Connor, Chicago alderman
* Ray O'Connor (1926–2013), 22nd Premier of Western Australia, convicted fraudster and Australian rules footballer
* Richard O'Connor (1851–1912), Australian politician and jurist
* Sandra Day O'Connor (1930–2023), Associate Justice of the United States Supreme Court
* T.P. O'Connor (1848–1929), Irish journalist and politician
* Terence O'Connor (1891–1940), British politician

## Military

* Bryan D. O'Connor (born 1946), astronaut
* Francis Burdett O'Connor was an officer in the Irish Legion of Simón Bolívar's army in Venezuela.
* Luke O'Connor (1831–1915), first recipient of the Victoria Cross and British General
* Sir Richard O'Connor (1889–1981), British General
* Rory O'Connor, Irish revolutionary soldier, who commanded Four Courts garrison

## Religion

* Denis T. O'Connor (1841–1911), Roman Catholic Archbishop of Toronto
* James O'Connor (bishop) (1823–1891), Bishop of the Roman Catholic Diocese of Omaha
* John O'Connor (cardinal) (1920–1999), Roman Catholic Archbishop of New York City
* Michael O'Connor, Bishop of the Roman Catholic Diocese of Pittsburgh
* Patrick Edward O'Connor (1932–2014), New Zealand Roman Catholic priest
* William Patrick O'Connor, Bishop of the Roman Catholic Diocese of Superior (1942–1946)

## Science and academia

* Annette O'Connor, professor and researcher in health care
* C. Y. O'Connor (1843–1902), Irish engineer
* David O'Connor, Australian Egyptologist
* J. Dennis O'Connor, American academic administrator
* Johnson O'Connor (1891–1973), American psychometrician
* Michael Patrick O'Connor (1950–2007), American linguist
* Thomas H. O'Connor (1923–2012), American historian

## Sport

* Adrian O'Connor (born 1978), Irish backstroke swimmer
* Brian O'Connor, University of Virginia baseball head coach
* Christy O'Connor Jnr (1948–2016), Irish golfer
* Christy O'Connor Snr (1924–2016), Irish golfer; uncle of Christy Jnr
* Cian O'Connor (born 1979), Irish equestrian
* Dan O'Connor (baseball) (1868–1942), Canadian baseball player
* D'Arcy O'Connor (1994), English footballer
* David O'Connor (equestrian) (born 1962), American equestrian
* Denise O'Connor (born 1935), American Olympic fencer
* Donncha O'Connor (born 1981), Cork All Ireland Senior Medalist
* Drew O'Connor (born 1998), American ice hockey player
* Fred O'Connor (born 1939), American football player
* Fred O'Connor (soccer) (1902–1952), American soccer player
* Gary O'Connor (born 1974), Scottish football goalkeeper
* Garry O'Connor (born 1983), Scottish footballer (Hibernian, Lokomotiv Moscow, Birmingham City, Scotland)
* Georgia O'Connor, English boxer
* James O'Connor (rugby) (born 1990), Australian rugby union player
* Jamesie O'Connor (born 1971), Irish hurler
* Jennifer O'Connor (netball) (born 1984), Australian netball player
* Joe O'Connor (born 1995) English snooker player
* Karen O'Connor (born 1958), American equestrian
* Kieran O'Connor (1979–2020), Gaelic footballer
* Leah O'Connor (born 1992), American steeplechase runner
* Logan O'Connor, Canadian ice hockey player
* Marie O'Connor, Irish camogie player
* Mary O'Connor (athlete) (born 1955), New Zealand long-distance runner
* Michael O'Connor (baseball player) (born 1980), Major League Baseball player
* Michael O'Connor (rugby) (born 1960), Australian rugby union and rugby league player
* Patrick O'Connor, Jamaican sprinter
* Pat O'Connor (American football) (born 1993), American football player
* Pat O'Connor (racing driver) (1928–1958), Formula One driver
* Paul O'Connor, Irish Gaelic footballer
* Paul O'Connor, Irish skier
* Peter O'Connor (athlete) (1872–1957), Irish athlete
* Red O'Connor, American football player
* Tomás O'Connor (born 2004), Argentine footballer
* Tommy O'Connor, Irish footballer
* Tony O'Connor, Irish rower
* William Joseph O'Connor (1862–1892), Canadian professional oarsman

## Other

* Alex O'Connor (born 1999), English presenter
* Brendan O'Connor, multiple people
* Daniel O'Connor, multiple people
* Erin O'Connor (born 1978), British supermodel
* Francis V. O'Connor (1937–2017), American art historian
* Kevin O'Connor, multiple people
* Liam O'Connor, multiple people
* Michael O'Connor (disambiguation), multiple people
* Patricia O'Connor, multiple people
* Terry O'Connor, multiple people
* Thomas Burton O'Connor (1914–1952), American journalist & editor
* Tom O'Connor, multiple people
* Tony O'Connor, headteacher

## Fictional characters

* O'Connor, the name of O'Brien in the 1956 film adaptation of Nineteen Eighty-Four
* Enoch O'Connor, the name of a side character in Ransom Rigg's book series 'Miss Peregrine's Home For Peculiar Children' who possesses the ability to resurrect the dead via inanimate objects.

## Similar names

* O'Conner
* Conner (surname)
* Connor (surname)
* Connors (surname)
* Conor
* O'Conor Don
* O Connor Sligo