Fitzwilliam may refer to:
People Fitzwilliam (surname), including a list of people with the name Earl Fitzwilliam, a title in the Peerage of Ireland and the Peerage of Great Britain Viscount FitzWilliam, a title in the Peerage of Ireland
Places Fitzwilliam, West Yorkshire, England Fitzwilliam railway station Fitzwilliam, New Hampshire, U.S. Fitzwilliam Strait, a waterway through the central Canadian Arctic Archipelago Fitzwilliam Square, Dublin, Ireland Mount Fitzwilliam, in the Canadian Rockies
Other uses Fitzwilliam College, Cambridge, a constituent colleges of the University of Cambridge, England Fitzwilliam Museum, the art and antiquities museum of the University of Cambridge Fitzwilliam Darcy, a fictional character from Jane Austen's Pride and Prejudice
See also
Fitzwilliam Sonatas, an arrangement of Handel's recorder sonatas Fitzwilliam Virginal Book, source of keyboard music in the Elizabethan and Jacobean periods in England