Kazimierz Czarnecki
Kazimierz Czarnecki is the name of the following people:
- Kazimierz Czarnecki (singer) (1882–1964), Polish opera singer (tenor)
- Kazimierz Czarnecki (weightlifter) (* 1948), Polish weightlifter
- Kazimierz Adolf Czarnecki (1939–2006), Polish geodesist and university professor