Jan Wielopolski was a Polish nobleman (szlachcic) who served as a Voivode of Sandomierz from 1750 to 1774 and as a Deputy to the Sejm of the Polish–Lithuanian Commonwealth.
- Position held
- Sandomierz voivode, picerna Regni, Deputy to the Sejm of the Polish–Lithuanian Commonwealth, Polish elector
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- 1700
- Died
- December 18, 1773, March 12, 1774