People
*Places
* Yamaguchi Prefecture, the westernmost prefecture of Honshū island of Japan ** Yamaguchi (city), capital of Yamaguchi Prefecture *** Yamaguchi Station (Yamaguchi), a JR West railway station, located in the center of Yamaguchi-shi *** Shin-Yamaguchi Station, a railway station in Yamaguchi-shi (Sanyō Shinkansen line) * Yamaguchi, Nagano, a village in Nagano PrefectureFiction
*Kumiko "Yankumi" Yamaguchi, the character played by Yukie Nakama in '' Gokusen'', a Japanese TV show *Yamaguchi-sensei, a doctor in the manga/anime series '' Fighting Spirit'' *U.S.S. ''Yamaguchi'', an ''Ambassador Class'' Federation starship in the ''Star Trek'' franchise *Yamaguchi Digital Pets, a fictional digital pets company mentioned in '' Fanboy & Chum Chum'' *Yamaguchi Tadashi, a member of the Karasuno volleyball club in the manga/anime series '' Haikyu!!''People
* Kristi Yamaguchi, American figure skater * Otoya Yamaguchi, Japanese political assassinOther uses
* Yamaguchi Bank, a major regional bank in Japan, primarily in the Yamaguchi prefecture * Yamaguchi Bicycles, a custom bike frame builder in Rifle, Colorado * Yamaguchi Broadcasting (later named KRY), a Japanese television and radio broadcasting company * Yamaguchi Dam (China), a dam in northwest China * Yamaguchi Dam (Nagano), a dam in Nagano Prefecture, Japan * Yamaguchi Prefectural University * Yamaguchi Ube Airport * Yamaguchi University * Yamaguchi-gumi, a yakuza group * 15841 Yamaguchi, an asteroid named for the Japanese prefecture *