O'Neill
O'Neill stands for:
- O'Neill (clan) , clan in Northern Ireland
- O'Neill , Nebraska, Nebraska, United States settlement
- O'Neill, Inc. , sporting goods manufacturer
O'Neill is a family name that may refer to:
A.
- Aiden O'Neill (born 1998), Australian soccer player
- Alexandre O'Neill (1924–1986), Portuguese poet of Irish descent
- Arthur Joseph O'Neill (1917–2013), American clergyman, Bishop of Rockford
B.
- Brandon O'Neill (Turner) (* 1984), Canadian gymnast
- Brandon O'Neill (soccer player) (born 1994), Australian soccer player
- Brian O'Neill (Ice Hockey Official) ( Brian Francis O'Neill ; * 1929), Canadian economist and ice hockey official
- Brian Ó Néill († 1260), Irish high king
- Brian O'Neill (actor) , actor, director and screenwriter
- Brian O'Neill (ice hockey player) (born 1988), American ice hockey player
C.
- C. William O'Neill (1916–1978), American politician
- Caroline O'Neill (born 1958), English actress
- Charles O'Neill (politician) (1821-1893), American politician
- Charles O'Neill (musician) (1882–1964), Irish-Canadian musician, composer and music teacher
- Charles O'Neill (tennis player) , American tennis player
- Christopher O'Neill (* 1974), British-American businessman
- Colin O'Neill (athlete) (born 1948), British athlete
- Colin O'Neill (soccer player) (born 1963), Northern Irish soccer player
D.
- Darren O'Neill (born 1985), Irish boxer
- Dick O'Neill (1928–1998), American actor
E.
- Ed O'Neill (born 1946), American actor
- Eduardo O'Neill , Uruguayan politician
- Edward J. O'Neill (1902–1979), American Lieutenant General
- Edward L. O'Neill (1903-1948), American politician
- Eliza O'Neill (1791–1872), Irish actress
- Eugene O'Neill (1888–1953), American playwright
- Evelyn O'Neill , American film producer and talent manager
F.
- Fabián O'Neill (* 1973), Uruguayan football player
- Felim O'Neill of Kinard († 1652), Irish rebel leader
- Francis O'Neill (1848–1936), Irish-American police officer and musician
G
- Gerard Kitchen O'Neill (1927–1992), American physicist
H
- Harry P. O'Neill (1889–1953), American politician
- Henry O'Neill (1891–1961), American actor
- Henry O'Neill, 1st Baronet (1625 – around 1680), Irish nobleman
- Hugh O'Neill (around 1540-1616), head of the Irish clan, see Aodh Mór Ó Néill, 2nd Earl of Tyrone
- Hugh O'Neill, 1st Baron Rathcavan (1883–1982), Northern Irish politician
J
- Jack O'Neill (baseball player) (1873-1935) Irish-American baseball player
- Jack O'Neill (businessman) (1923-2017), American businessman
- James O'Neill (politician) (1824–1913), American politician
- James O'Neill (actor) (1847–1920), American actor of Irish descent
- James O'Neill (archivist) (1929–1987), American archivist
- James O'Neill , British musician, see Martin and James
- Jamie O'Neill (writer) (born 1962), Irish writer and journalist
- Jamie O'Neill (snooker player) (* 1986), English snooker player
- Jeff O'Neill (born 1976), Canadian ice hockey player
- Jennifer O'Neill (* 1948), American actress and model
- Jim O'Neill (* 1957), English economist
- John O'Neill (politician) (1822–1905), American politician
- John O'Neill (General) (1834–1878), American general of Irish descent, Fenian Brotherhood fighter
- John O'Neill (soccer player, 1958) (born 1958), Northern Irish soccer player
- John O'Neill (soccer player, 1974) (born 1974), Scottish soccer player
- John O'Neill (philosopher) (* 1946), British philosopher
- John O'Neill (rugby player) (1943–1999), Australian rugby league player and coach
- John Joseph O'Neill (1846–1898), American politician
- John P. O'Neill (1952–2001), American security officer
- John Patton O'Neill (* 1942), American ornithologist
- Joseph O'Neill (born 1964), Irish writer
K
- Kate O'Neill (* 1980), American athlete
- Kevin O'Neill (* 1961), American director, producer and special effects artist
- Kristen O'Neill (* 1983), American basketball player and coach
L.
- Laurence O'Neill (1874-1943) Irish politician
- Louise O'Neill , Irish writer
M.
- Madeleine O'Neill (1867 / 1868– ??), English tennis player
- Máire O'Neill (1885–1952), Irish actress
- Marian O'Neill , Irish writer
- Martin O'Neill, Baron O'Neill of Clackmannan (* 1945), British politician
- Martin O'Neill (* 1952), Northern Irish football player and coach
- Matthew O'Neill , American documentary filmmaker
- Michael O'Neill (actor) (born 1951), American actor
- Michael O'Neill (literary scholar) (* 1953), British literary scholar and writer
- Michael O'Neill (saxophonist) , American jazz musician and band leader
- Michael O'Neill (soccer player) (born 1969), Northern Irish soccer player and coach
- Michael Cornelius O'Neill (1898–1983), Canadian clergyman, Roman Catholic Archbishop of Regina
- Michael W. O'Neill (1940–2003), American civil engineer
- Michelle O'Neill (* 1977), Northern Irish politician
- Mike O'Neill (1938–2013), British pianist and songwriter
N
- Nathan O'Neill (* 1974), Australian racing cyclist
- Neil O'Neill (1658–1690) Irish nobleman and military man
O
- Onora O'Neill, Baroness O'Neill of Bengarve (* 1941), British philosopher, university professor and politician
- Oona O'Neill (1925–1991), American actress, wife of Charlie Chaplin
P
- Paul O'Neill (Author) (1928-2013) Canadian author
- Paul O'Neill (1935-2020), American politician
- Paul O'Neill (producer) (1956–2017), American songwriter, composer and record producer
- Paul O'Neill (chess player) (born 1965), Welsh chess player
- Paul O'Neill (racing driver) (* 1979), British automobile racing driver
- Peggy O'Neill (1924–1945), American actress
- Peter O'Neill (* 1965), Papua New Guinean politician
R.
- Richard O'Neill (author) (born 1954), Irish non-fiction author
- Richard O'Neill (violist) , American violist
- Richard O'Neill (politician) (1897–1982), Australian politician
- Riley O'Neill (born 1985), Canadian soccer player
- Robert O'Neill (* 1976), American soldier
- Robert J. O'Neill (* 1936), Australian military historian
- Rose O'Neill (1874–1944), American artist
- Ryan O'Neill (soccer player, 1978) (born 1978), American soccer player
- Ryan O'Neill (soccer player, 1990) (born 1990), Northern Irish soccer player
S.
- Sean O'Neill (* 1988), Northern Irish football goalkeeper
- Susie O'Neill (* 1973), Australian swimmer
T
- Terence O'Neill (1914–1990), Northern Irish politician
- Terry O'Neill (1938-2019), British photographer
- Thomas P. O'Neill (* 1944), American politician
- Tip O'Neill (1912–1994), American politician
- Tony O'Neill (* 1978), English author
W.
- William O'Neill (badminton) , Irish badminton player
- William A. O'Neill ( William Atchison O'Neill ; 1930-2007), American politician
- William L. O'Neill ( William Lawrence O'Neill ; 1935-2016), American historian
- William P. O'Neill (1874–1955), American politician
- Willie O'Neill (1940-2011), Scottish football player
Others
- O'Neill colonies , hypothetical space colonies
- O'Neill Peak , mountain on the English coast, Ellsworthland, Antarctica
- O'Neill Point , headland of Lautaro Island off the Danco Coast, Graham Land, Antarctica
- John O'Neill Limited , former Irish automobile assembly plant
