Bogusław Leszczyński, count of Leszno (1614–1659) from the Leszczyński Family of Holy Roman Empire counts, was a Polish noble (szlachcic) and politician from Wielkopolska region.
- Occupation
- politician
- Position held
- Deputy to the Sejm of the Polish–Lithuanian Commonwealth, Grand Podskarbi, Polish elector, Vice-Chancellor of the Crown
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- 1612
- Died
- September 23, 1659
