Tanikawa (written: 谷川, "valley river") is a Japanese surname. Notable people with the surname include:
- Harue Tanikawa (谷川 治恵, born 1954), Japanese shogi player
- Kanako Tanikawa (谷川 可奈子, born 1970), Japanese cyclist
- Sadaharu Tanikawa (谷川 貞治, born 1961), Japanese combat sports promoter
- Shuntarō Tanikawa (谷川 俊太郎, born 1931), Japanese poet and translator
- Teijiro Tanikawa (谷川 禎次郎, born 1932), Japanese swimmer
- Tetsuzō Tanikawa (谷川 徹三, 1895–1989), Japanese philosopher
- Tsuyoshi Tanikawa (谷川 烈, born 1980), Japanese footballer
See also
edit- 10117 Tanikawa, a main-belt asteroid
- Tanikawa Station, a railway station in Tamba, Hyōgo Prefecture, Japan
- Tanigawa