Parliament Square is a square in the City of Westminster, London, England.

It may also refer to:

Parliament Square, Berne, Switzerland Parliament Square, Dublin, Ireland; part of Trinity College, Dublin Parliament Square, Edinburgh, Scotland Parliament Square, Hobart, Australia Parliament Square, Melbourne, Australia Parliament Square, Nassau, The Bahamas Parliament Square, Ramsey, Isle of Man Parliament Square, Toronto, Canada

See also Parliament House (disambiguation) National Assembly Square (disambiguation)