Look up Klonowski in Wiktionary, the free dictionary.
Klonowski (feminine: Klonowska, plural: Klonowscy) is a surname. Notable people with the surname include:
- Ewa Klonowski (born 1946), Polish-born forensic anthropologist
- Henry Klonowski (1898–1977), American Catholic bishop
- Marta Klonowska (born 1964), Polish glass maker
- Włodzimierz Klonowski (1945–2020), Polish biomedical physicist