Taniguchi (written: 谷口) is a Japanese surname. Notable people with the surname include:
Gorō Taniguchi, Japanese anime directorHiromi Taniguchi, Japanese long-distance runnerHiroyuki Taniguchi, Japanese football playerItaru Taniguchi, Japanese rugby union playerJiro Taniguchi, Japanese manga artistKei Taniguchi, Japanese football playerKotaro Taniguchi, Japanese sprinterMasaharu Taniguchi, Japanese New Thought leaderMasami Taniguchi, Japanese volleyball playerNobuteru Taniguchi, Japanese racing driverNoriko Taniguchi (born 1992), Japanese rugby sevens playerNorio Taniguchi, professor at Tokyo Science UniversitySenkichi Taniguchi, Japanese directorShinya Taniguchi, Japanese swimmerShogo Taniguchi, Japanese football playerShuhei Taniguchi, Japanese wrestlerTadatsugu Taniguchi, Japanese immunologistToru Taniguchi, Japanese golferYoshio Taniguchi, Japanese architectYukinori Taniguchi, Japanese racing driver, founder of Yuke'sYuya Taniguchi, Japanese baseball player