Adelphi
- Adelfia
- Adelphi (Exeter College, Oxford)
- Adelphi (band)
- Adelphi Building
- Adelphi Buildings
- Adelphi Canal
- Adelphi Charter
- Adelphi Cinema
- Adelphi Edizioni
- Adelphi Films
- Adelphi Hotel (Sheffield)
- Adelphi Hotel, Melbourne
- Adelphi Papers
- Adelphi Records
- Adelphi Theatre
- Adelphi Theatre (New York City)
- Adelphi University
- Adelphi Whisky
- Adelphi, Iowa
- Adelphi, London
- Adelphi, Maryland
- Adelphi, Ohio
- Adelphi, Texas
- Adelphi, U.S. Virgin Islands
- Adelphia (disambiguation)
- Adelphoe
- Arizona State University
- Britannia Adelphi Hotel
- Delphi (disambiguation)
- List of unincorporated communities in Iowa
- Philadelphia
- Queen's Theatre, Dublin
- The Adelphi
- University of Salford