Kawaguchi (surname)
Kawaguchi is a Japanese surname. Notable people with the surname include:
- Debra Kawaguchi, 13-year-old American suicide victim featured in the Piers Anthony novel Air Apparent
- Ekai Kawaguchi Japanese Buddhist monk, and the first recorded Japanese person to travel in Nepal and Tibet
- Hiroshi Kawaguchi , Japanese composer most known for his works with Sega
- Junnosuke Kawaguchi, Japanese bassist who played for bands such as The Blue Hearts
- Kaiji Kawaguchi, Japanese manga author
- Keiichiro Kawaguchi, Japanese animation director
- Masafumi Kawaguchi, American football player from Japan
- Matsutarō Kawaguchi, Japanese author, playwright, and movie producer
- Kiyotake Kawaguchi, Japanese general during World War II
- Senri Kawaguchi, Japanese drummer, see :ja:川口千里_
- Takao Kawaguchi, Olympic gold medalist in judo
- Yoichiro Kawaguchi, Japanese computer graphics artist and professor at the University of Tokyo
- Yoriko Kawaguchi, Japanese politician
- Yoshikatsu Kawaguchi, Japanese soccer player
- Yuko Kawaguchi, Russian pairs figure skater
- Yutaka Kawaguchi, Japanese ice hockey player
