Thomas Fitzwilliam (disambiguation)
Thomas Fitzwilliam was Speaker of the House of Commons of England.
Thomas Fitzwilliam may also refer to:
- Thomas Arthur Fitzwilliam, Irish physician
- Thomas FitzWilliam, 1st Viscount FitzWilliam, Viscount FitzWilliam
- Thomas FitzWilliam, 4th Viscount FitzWilliam, Viscount FitzWilliam
- Thomas FitzWilliam, 9th Viscount FitzWilliam, Viscount FitzWilliam