Kawaguchi (written: 川口 or 河口 lit. "river mouth") is a Japanese surname. Notable people with the surname include:

• Ekai Kawaguchi (1866-1945), Japanese Buddhist monk
• Hiroshi Kawaguchi (composer) (born 1965), Japanese composer and keyboardist
• Junnosuke Kawaguchi (born 1961), Japanese bassist
• Kaiji Kawaguchi (born 1948), Japanese manga author
• Keiichiro Kawaguchi, Japanese animator and director
• Masafumi Kawaguchi (born 1973), Japanese player of American football
• Matsutarō Kawaguchi (1899-1985), Japanese writer
• Kiyotake Kawaguchi (1892-1961), Japanese general during World War II
• Senri Kawaguchi (born 1997), Japanese drummer
• Takao Kawaguchi (born 1950), Japanese judoka
• Yoichiro Kawaguchi (born 1952), Japanese computer graphics artist
• Yoriko Kawaguchi (born 1941), Japanese politician
• Yoshikatsu Kawaguchi (born 1975), Japanese footballer
• Yuko Kavaguti (born 1981), Japanese Russian pair skater
• Yutaka Kawaguchi (born 1973), Japanese ice hockey player

Surname list

This page lists people with the surname Kawaguchi.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.