O'Neill (disambiguation)
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.