O'Neill (also spelled O'Neil, O'Neal) may refer to:

In places:

• O'Neill, Nebraska, a US city
• O'Neil, Florida, a US town

In business: ONeill is a city located in Holt County, Nebraska. ... ONeil is a town in Nassau County, Florida, United States. ...

• O'Neill (brand), a wetsuit and surf clothing manufacturer

In education: ONeill was started in Santa Cruz, CA near San Francisco. ...

• O'Neill Collegiate and Vocational Institute, a school in Oshawa, Ontario

People with the surname O'Neill: ONeill Collegiate and Vocational Institute is located in Oshawa, Ontario within the Durham District School Board. ...

• Chelsea O'Neill, that awesome girl from Burnie
• O'Neill (surname)
• Baron O'Neill, a title in the Peerage of the United Kingdom
• Earl O'Neill, a title in the Peerage of Ireland
• P. O'Neill, a pseudonym used in statements of the Provisional Irish Republican Army

The ancient arms of Ua Néill ONeill (also spelled ONeil, ONeal) is a common surname of Irish origin. ... Baron ONeill, of Shanes Castle in the County of Antrim, is a title in the Peerage of the United Kingdom. ... The title of Earl ONeill was created in the Peerage of Ireland in 1800, but became extinct upon the death of the 1st Earl in 1841. ... Provisional Irish Republican Army (Irish name: Óglaigh na hÉireann) (PIRA; more commonly referred to as the IRA, the Provos, or by some of its supporters as the Army or the RA) is an Irish Republican, left wing[2] paramilitary organisation that, until the Belfast Agreement, sought to end Northern...

See also

• O'Neill class battleship, fictional spacecraft in the television show Stargate SG-1
• O'Neill cylinder, a space habitat design
• O'Neill Hall (University of Notre Dame), men's residence hall at the University of Notre Dame in Notre Dame, Indiana
• O’Neill House Office Building, former US Congressional Office Building in Washington D.C.
• Eugene O'Neill Theatre, a Broadway Theatre
• Eugene O'Neill National Historic Site, former home of Eugene O'Neill
• Sandler O'Neill and Partners, New York City-based investment banking firm that lost 67 employees in the 9/11-attacks
• Tip O'Neill Award, Canadian Baseball award
• O'Neil's, a former US department store chain based in Akron, Ohio
• O'Neills, an Irish manufacturer of sportswear

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.