Hugh Hume-Campbell, 3rd Earl of Marchmont PC FRS, styled Lord Polwarth between 1724 and 1740, was a Scottish politician who sat in the House of Commons from 1734 until 1740 when he succeeded to the peerage as Earl of Marchmont. He sat in the House of Lords as a Scottish representative peer from 1750.
- Occupation
- politician
- Position held
- Member of the House of Lords of Great Britain, member of the 8th Parliament of Great Britain, member of the 6th Parliament of Great Britain
- Born
- February 15, 1708
- Died
- January 10, 1794
