Haraguchi

Haraguchi (written: 原口 lit. "field mouth") is a Japanese surname. Notable people with the surname include:


 * Akira Haraguchi (原口 證), Japanese engineer known for memorizing and reciting Pi digits
 * Genki Haraguchi (原口 元気), Japanese footballer
 * Kazuhiro Haraguchi (原口 一博), Japanese politician
 * Koichi Haraguchi (原口 幸市), Japanese diplomat
 * Kozo Haraguchi (原口 幸三), Japanese sprinter