Piotr Myszkowski was a 16th-century Roman Catholic Bishop of Plock and Kraków, in Poland.
- Occupation
- Catholic priest, statesperson, politician, Catholic bishop
- Position held
- king's secretary at the Polish court, Polish elector, Vice-Chancellor of the Crown, Grand Secretary of the Crown
- Citizenship
- Polish–Lithuanian Commonwealth, Kingdom of Poland
- Born
- 1510, 1505
- Died
- April 5, 1591, 1591