Kanitz may refer to:
- Felix Philipp Kanitz (1829–1904), ethnographer
- Miklos Kanitz (born 1938), Holocaust survivor
- Otto Felix Kanitz (1894–1940), educator
- Ernest Kanitz (1894–1978), composer
- Kanitz v. Rogers Cable Inc.
- German name of Dolní Kounice, Czech Republic
- German name of Olszewo Węgorzewskie, Poland