The O'Neill dynasty is a lineage of Irish Gaelic origin.

O'Neill, Ó Néill, O'Neil, O'Neal, or Uí Néill may also refer to:

People

Surnames

• Uí Néill, for information on the Ui Neill dynasty
• O'Neill (surname), including surname origins and information
  • List of people with the surname O'Neill, including O'Neal, O'Neil, and other variations
• The O'Neill Brothers, an American instrumental duo

Noble titles

• Baron O'Neill, a title in the Peerage of the United Kingdom
• O'Neill baronets, two in the Baronetage of Ireland, and one in the Baronetage of the United Kingdom
• Viscount O'Neill, a title in the Peerage of Ireland

Places

Australia

• O'Neill's Adventureland, an amusement park in Edmondson Park, New South Wales

Canada

• Archbishop M.C. O'Neill High School, Regina, Saskatchewan
• O'Neill Collegiate and Vocational Institute, Oshawa, Ontario

United States

• O'Neal Island, San Juan Islands of Washington
• Buckey O'Neill Cabin, a cabin
• Eugene O'Neill National Historic Site, Danville, California
• Eugene O'Neill Theater Center, a not-for-profit theater company in Connecticut
• Eugene O'Neill Theatre, a Broadway theatre
• O'Neill, Nebraska, a city
• O'Neill Building, a landmarked former department store in New York City
• O'Neill Center, an athletic complex at Western Connecticut State University
• O'Neill Dam, San Luis Creek west of Los Banos, California
• O'Neill House Office Building, Washington, D.C.
• O'Neill House Office Building (1947), Washington, D.C.; demolished in 2002
• O'Neill Forebay, San Luis Reservoir west of Los Banos, California
• O'Neill Tunnel, Boston, Massachusetts
• Thomas P. O'Neill Jr. Federal Building (Boston), Massachusetts

Fiction

• The O'Neill, a 1912 American silent film
• April O'Neil, a character in the Teenage Mutant Ninja Turtles franchise
• Danny O'Neil a character from the 1988 movie 14 Going on 30
• Elwood O'Neil, a supporting character and antagonist in Grand Theft Auto V
• Jack O'Neill, a character in the 1989 American action comedy movie Speed Zone
• Jack O'Neill, a character in the Stargate franchise
• Tim O'Neill, a character in the television series seaQuest DSV
• The Trials of Rosie O'Neill, a 1990s American television series

Companies and organizations

• O'Neill (brand), a surfwear and equipment brand that was started in San Francisco, California
• O'Neill Sea Odyssey, a non-profit organization in Santa Cruz, California
• O'Neills, an Irish sportswear company
• Sandler O'Neill and Partners, a New York City-based investment banking firm
• O'Neal Steel, Inc., an American metal company

Law

• Dennis O'Neill case, a Welsh child abuse and manslaughter case
• O'Neill v Phillips, a UK company law case on an action for unfair prejudice
• Sheff v. O'Neill, a Connecticut Supreme Court case regarding civil rights and the right to education

Other

• Eugene O'Neill Award, a Swedish award for stage actors
• O'Neill World Cup of Surfing, an annual event at Sunset Beach in Hawaii
• O'Neill Sebastian Inlet Pro, a surfing event in Florida
• Tip O'Neill Award, an award given out by the Canadian Baseball Hall of Fame
• O'Neill ministry, in the Parliament of Northern Ireland 1963–1969
• O'Neill cylinder, a proposed style of space habitat
• USS O'Neill (DE-188), a Cannon-class destroyer escort in the United States Navy

See also

• All pages with titles beginning with O'Neill
• All pages with titles containing O'Neill OR Ó Néill OR Ó Neill OR O'Neal OR O'Neil OR Ua Néill OR Ua Neill OR Ui Néill OR Uí Néill
• Justice O'Neill (disambiguation)

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