John Thynne, 3rd Baron Carteret PC, known as Lord John Thynne between 1789 and 1838, was a British peer and politician.
- Occupation
- politician
- Position held
- member of the 4th Parliament of the United Kingdom, member of the 10th Parliament of the United Kingdom, member of the 1st Parliament of the United Kingdom, member of the 2nd Parliament of the United Kingdom
- Citizenship
- United Kingdom of Great Britain and Ireland, Kingdom of Great Britain
- Born
- December 28, 1772
- Died