Kazimierz Franciszek Czarnkowski, (1613/17–1656), of the Nałęcz coat of arms, was a Polish nobleman (szlachcic).
- Position held
- Deputy to the Sejm of the Polish–Lithuanian Commonwealth, Q64777690, Q66200805, Q66200935
- Citizenship
- Polish–Lithuanian Commonwealth
- Born
- 1613
- Died
- 1656