A castle is a type of fortified structure built during the Middle Ages.
Castle or Castles may also refer to:
Arts and entertainment Games Castle (card game), a shedding card game Castle, in chess, an informal term for rook Castle (shogi), a defensive structure used in the game shogi Castles (video game), published in 1991 and 1992
Literature Castle (Macaulay book), a 1977 book by David Macaulay Castle (novel), a 2000 novel by Garth Nix
Music Castle (Sherman Chung album), 2008 Castle (Jolin Tsai album), 2004 Castles, a 1972 album by Joy of Cooking "Castle" (song), by Halsey, 2016 "Castles" (song), by Freya Ridings (2019) "Castle", a song from the EP Golden Hour: Part.3 by Ateez (2025) "Castle", a song from the album Revival by Eminem (2017) "Castle", a song from the album The Heist (2012) by Macklemore & Ryan Lewis "Castle", a song from the EP S (2013) by SZA "Castle", a song from The Project by Lindsay Ell
Other uses in arts and entertainment Castle (TV series), an American TV series (2009–2016) Castles (TV series), a 1995 British soap opera
Businesses Castle (company), a British loudspeaker manufacturer Castle Building Centres Group, a Canadian retailers of lumber and building materials Castle Communications, a British record label Castle Recording Laboratory, a defunct recording studio in Nashville, Tennessee Castle Technology, a British computer company
Places United Kingdom Castle (Abergavenny ward), an electoral ward in Monmouthshire, Wales Castle (Colchester electoral ward), Essex, England Castle (District Electoral Area), Belfast, Northern Ireland Castle (Newham ward), an electoral ward of Newham London Borough Council, Greater London Castle, Bedford Castle, Cambridge Castle, Cardiff Castle, Leicester Castle, Newcastle upon Tyne Castle, Swansea
Elsewhere Castle, Oklahoma, United States Castle River (disambiguation), three rivers in New Zealand
Other uses Castle (surname), including a list of people and fictional characters with that name Castle Project, a computer application framework Operation Castle, a series of nuclear tests in 1954 Castle class (disambiguation), ship and railway classes USS Castle (DD-720), an uncompleted United States Navy destroyer University College, Durham, England, known informally as Castle
See also Castle House (disambiguation) Castle series (disambiguation) The Castle (disambiguation)