Michał Jan Pac (1730–1787) was a Polish–Lithuanian nobleman, Lithuanian Marshal of the Bar Confederation from 1769 until 1772, and Chamberlain of King Augustus III of Poland.
- Occupation
- chamberlain
- Position held
- Deputy to the Sejm of the Polish–Lithuanian Commonwealth, Q66201067
- Citizenship
- Polish–Lithuanian Commonwealth, Kingdom of France
- Born
- 1730
- Died
- October 1787, 1787, 1778
