Klemensiewicz
Klemensiewicz is a family name for the following people:
- Piotr Klemensiewicz (* 1956), French painter and sculptor
- Zenon Klemensiewicz (1891–1969), Polish linguist
- Zygmunt Klemensiewicz (politician) (1874–1948), Polish politician
- Zygmunt Klemensiewicz (physicist) (1886–1963), Polish physicist, physical chemist and mountaineer