Ostaszewski is a Polish masculine surname, its feminine counterpart is Ostaszewska. It may refer to:
- Ostoja-Ostaszewski, Polish noble family
- Henryk Ostaszewski (1892-1957), Polish lawyer and politician
- Maja Ostaszewska (born 1972), Polish actress
- Mateusz Ostaszewski (born 1998), Polish football midfielder
- Piotr Ostaszewski (born 1964), Polish historian, political scientist, translator
This page lists people with the surname Ostaszewski.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.