Adelphi

• Adelphi (band), an American rock band
• The Adelphi, an English literary journal 1923–1955
• Adelphi Papers, a monograph series of the International Institute for Strategic Studies
• Adelphi Records, a record label
• Adelphoe, or Adelphi – The Brothers, a play by Terence

• Adelphi Hotel, Melbourne, Australia
• Adelphi Hotel (Sheffield), England
• Britannia Adelphi Hotel, Liverpool, England

• Adelphi University, in Garden City, New York, U.S.
• Adelphi campus, of the University of Salford, England
• Adelphi commons, at Arizona State University, U.S.

• Adelphi Edizioni, an Italian publishing house
• Adelphi Films, a British film production company founded in 1939
• Adelphi (Exeter College, Oxford), a wine club in Oxford
• Adelphi Whisky, a whisky bottler and former distillery in Scotland

• Adelphi Building, in Victoria, British Columbia, Canada
• Adelphi Buildings, in London, England
• Adelphi Cinema, in Dublin, Ireland
• Adelphi Theatre, in London, England
• Adelphi Theatre (New York City), U.S.
• Adelphi Theatre (Dublin), rebuilt in 1844 as Queen's Theatre, Dublin, in Ireland

• Adelphi, Iowa, an unincorporated community in Iowa, U.S.
• Adelphi, Maryland, U.S.
• Adelphi, Ohio, U.S.
• Adelphi, Texas, U.S.
• Adelphi, U.S. Virgin Islands
• Adelphi, London, a district of the City of Westminster in London, England

• {{USNS|Adelphi}}, a U.S. Navy ship
• Adelphi Canal, former canal in Derbyshire, England

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• Adelfia
• Adelphia (disambiguation)
• Adelphi Charter of the Royal Society for the encouragement of Arts, Manufactures & Commerce in London, England
• Delphi (disambiguation)
• Philadelphia

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