Barrington may refer to:

• Barrington (name)
• Barrington baronets, holders of a title in the baronetage of England
• Viscount Barrington, a title in the peerage of Ireland

• Barrington, New South Wales
• Barrington, Tasmania
• Barrington River (New South Wales)
• Barrington Tops National Park, New South Wales
• Lower Barrington, Tasmania

• Municipality of the District of Barrington, Nova Scotia
• Barrington, Nova Scotia (community)
• Barrington Head, Nova Scotia
• Barrington Passage, Nova Scotia
• Barrington, Quebec
• Barrington Street, Halifax
• CFS Barrington, Nova Scotia, a former Canadian Forces Station

• Barrington, New Zealand, a suburb in Christchurch

• Barrington, Cambridgeshire
• Barrington, Gloucestershire, a civil parish
  • Great Barrington, Gloucestershire, a village
  • Little Barrington, Gloucestershire, a village
• Barrington, Somerset

• Barrington, Illinois
• Great Barrington, Massachusetts
• Barrington, New Hampshire
• Barrington, New Jersey
• Barrington, New York
• Barrington, Rhode Island

• Barrington Island, English name of Santa Fe Island in the Galápagos Islands

• Barrington Court in Barrington, Somerset, England
• Barrington Hall (Berkeley, California), Berkeley, California, USA
• Barrington Hall, Essex, England, in the village of Hatfield Broad Oak

• Barrington Atlas of the Greek and Roman World, an atlas of ancient geography
• Barrington Broadcasting, a company operating US TV stations
• Barrington College was a four-year Christian liberal arts college located in Barrington, Rhode Island. It is no longer in operation; its facilities were subsequently sold to Zion Bible College
• Barrington Griffiths Watch Company, a watch maker in Calgary
• Barrington station, a train station in Barrington, Illinois
• Barrington's theorem, a result in computational complexity theory
• Barrington University, former name of the University of Atlanta, a distance-learning school

• The Great Barrington Declaration - a viewpoint about COVID-19 vaccination

• Barrington High School (disambiguation)