The O'Neill dynasty is a lineage of Irish Gaelic origin.
O'Neill, àNéill, O'Neil, O'Neal, or UàNéill may also refer to:
People
Surnames
Noble titles
Places
Australia
Canada
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
Companies and organizations
Law
Other
See also