Princess Katarzyna Ostrogska (1602–1642) was a Polish–Lithuanian noblewoman, founder of the city of Biała. She was the maternal grandmother of King of Poland Michał Korybut Wiśniowiecki.
- Position held
- Q64825239, Q64825241
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- 1602
- Died
- 1642, October 6, 1642