O'Connor (surname)

O'Connor (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)
 * 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), Argentinian singer
 * Denis O'Connor (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
 * 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
 * Siobhán O’Connor (born 1991), Irish author
 * Sinéad O'Connor (1966–2023), Irish singer-songwriter
 * Una O'Connor (1880–1959), Irish character actress
 * O'Connor, Argentinian band

Law and politics

 * 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
 * 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
 * Tommy O'Connor, Irish footballer
 * Tony O'Connor, Irish rower
 * William Joseph O'Connor (1862–1892), Canadian professional oarsman

Other

 * 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