Lieutenant-Colonel Thomas Vesey, 3rd Viscount de Vesci and 4th Baron Knapton, was an Anglo-Irish peer and Conservative politician.
- Occupation
- politician
- Position held
- member of the 15th Parliament of the United Kingdom, member of the 14th Parliament of the United Kingdom, member of the 12th Parliament of the United Kingdom, member of the House of Lords
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- September 21, 1803
- Died