Thomas Willoughby, 4th Baron Middleton, was a British politician who sat in the House of Commons from 1762 to 1774, when he succeeded to the peerage as Baron Middleton.
- Occupation
- politician
- Position held
- member of the 12th Parliament of Great Britain, member of the 13th Parliament of Great Britain, member of the 14th Parliament of Great Britain
- Born
- December 19, 1728
- Died
- November 2, 1781