Castle (disambiguation)

A castle is a fortified structure used to defend a territory; see also, List of castles.

Castle or Castles may also refer to:

* University College, Durham, commonly known as "castle"
* Operation Castle, a series of nuclear tests conducted in 1954
** Castle Bravo, its first test
* GWR 4073 Class, the "Castle" class of steam locomotive
* Castle class corvettes, the follow on to the Flower class corvette of World War Two
* Castles (estate agents), in the UK
* Castle Project, an application framework for the .Net platform
* Castle Building Centres Group Ltd., Canadian retailers of lumber and building materials

;Places

* Castle, Bedford, an electoral ward in Bedford, England
* Castle, Swansea, an electoral ward in Swansea, Wales
* Castle, Oklahoma, a town
* Castle Geyser in the Upper Geyser Basin of Yellowstone
* Smithsonian Institution Building, in Washington, D.C., nicknamed "The Castle"
* Newcastle-under-Lyme, known simply as "castle" to many local people
* Castle Towers Mountain, a mountain in British Columbia, Canada

;Entertainment

* Rook (chess), a chess piece sometimes (formerly or informally) known as the "castle"
** Castling, a move in chess involving the Rook
* "Castle" (novel), the second book in "The Seventh Tower" series
* Castle (card game)
* "Castles" (video game), released by Interplay in 1991
* "", a 1992 sequel to the above game
* Castle Communications, a record label

ee also

*The Castle