Castle (disambiguation)
- Castle (Abergavenny ward)
- Castle (Colchester electoral ward)
- Castle (District Electoral Area)
- Castle (Halsey song)
- Castle (Jolin Tsai album)
- Castle (Macaulay book)
- Castle (Sherman Chung album)
- Castle (TV series)
- Castle (card game)
- Castle (company)
- Castle (novel)
- Castle (shogi)
- Castle (surname)
- Castle Building Centres Group
- Castle Communications
- Castle House (disambiguation)
- Castle Project
- Castle River (disambiguation)
- Castle Technology
- Castle class (disambiguation)
- Castle series (disambiguation)
- Castle, Bedford
- Castle, Cambridge
- Castle, Cardiff
- Castle, Leicester
- Castle, Newcastle upon Tyne
- Castle, Oklahoma
- Castle, Swansea
- Castles (TV series)
- Castles (song)
- Castles (video game)
- Joy of Cooking (band)
- Newham London Borough Council
- Operation Castle
- Revival (Eminem album)
- Rook (chess)
- S (EP)
- The Castle (disambiguation)
- The Heist (album)
- USS Castle (DD-720)
- University College, Durham