Thomas Knox, 1st Earl of Ranfurly, styled The Honourable Thomas Knox between 1781 and 1818 and known as The Viscount Northland between 1818 and 1831, was an Irish peer and politician.
- Occupation
- politician
- Position held
- member of the 4th Parliament of the United Kingdom, Member of Parliament in the Parliament of Ireland, member of the 3rd Parliament of the United Kingdom, member of the House of Lords
- Born
- August 5, 1754
- Died
- April 26, 1840
