Kawanishi may refer to:
Places
- Kawanishi, Hyōgo
- Kawanishi, Nara
- Kawanishi, Yamagata
- Kawanishi, Niigata – now merged into Tōkamachi
People with the surname
- Hide Kawanishi (川西 英, 1894–1965), Japanese painter
- Shigeko Kawanishi (川西 繁子, born 1948), Japanese swimmer
- Takumi Kawanishi (川西 拓実, born 1999), Japanese idol
Other uses
- Kawanishi Aircraft Company, a former Japanese aircraft manufacturer