Windsor Castle is a castle in Windsor, one of the seats of the British Royal Family.

Windsor Castle or Windsor Palace may also refer to:

Buildings Windsor Castle, Kensington, a public house in London Windsor Castle, Maida Vale, a public house in London Windsor Palace (Thailand), a former palace in Bangkok, Thailand

Places Windsor Castle, Pennsylvania, an unincorporated community in Pennsylvania, USA Windsor Castle (Smithfield, Virginia), listed on the National Register of Historic Places in Isle of Wight County, Virginia Windsor Castle (Toano, Virginia), listed on the National Register of Historic Places listings in James City County, Virginia

Vehicles – one of six ships of the Royal Navy – one of several merchant or passenger ships of that name Windsor Castle, one of the GWR 3031 Class locomotives that were built for and run on the Great Western Railway between 1891 and 1915

Other uses Windsor Castle (novel), a novel by William Harrison Ainsworth serially published in 1842 Castle Windsor, part of the Castle Project (an open source application framework)

See also Windsor (disambiguation)