Kawanishi may refer to:
Places
- Kawanishi, Hyōgo
- Kawanishi, Nara
- Kawanishi, Yamagata
- Kawanishi, Niigata – now merged into Tōkamachi
People with the surname
- , Japanese painter
- , Japanese swimmer
- , Japanese idol
Other uses
- Kawanishi Aircraft Company, a former Japanese aircraft manufacturer