Yamaguchi (surname)
Yamaguchi (山口, "mountain entrance/gateway") is the 14th most common Japanese surname.{{cite press release|title=明治安田生命 全国同姓調査 [Meiji Yasuda Life Insurance Company - National same family name investigation]|publisher=Meiji Yasuda Life Insurance Company|date=2008-09-24|url=http://www.meijiyasuda.co.jp/profile/news/release/2008/pdf/20080924.pdf|access-date=2019-08-31}}
Notable people with the surname
- Adam Yamaguchi, American television correspondent and producer
- {{Nihongo|Akane Yamaguchi|山口 茜||born 1997}}, Japanese badminton player
- {{Nihongo|Akihiro Yamaguchi|山口 観弘||born 1994}}, Japanese swimmer
- {{Nihongo|Akira Yamaguchi|山口 晃||born 1969}}, Japanese artist
- Atsushi Yamaguchi (judge), (born 1953), Japanese judge
- {{Nihongo|Bidou Yamaguchi|山口 毘堂||born 1970}}, Japanese Noh mask carver
- Eri Yamaguchi (disambiguation), multiple people
- {{Nihongo|Eriko Yamaguchi|山口 恵梨子||born 1991}}, Japanese shogi player
- {{Nihongo|Erina Yamaguchi|山口 絵里奈||born 1985}}, Japanese gravure idol
- {{Nihongo|Gōgen Yamaguchi|山口 剛玄||1909–1989}}, Japanese karateka
- {{Nihongo|Gorō Yamaguchi|山口 五郎||1933–1999}}, Japanese shakuhachi musician
- {{Nihongo|Harukichi Yamaguchi|山口 春吉||1881–1938}}, Japanese mob boss
- Hatsuye Yamaguchi (1911-2005), Japanese-American artist and dollmaker
- Hideko Yamaguchi, plaintiff foster mother in Sweden v. Yamaguchi, a famous international family law trial
- {{Nihongo|Yamaguchi Hisashi|山口 久||1952–2010}}, Japanese sumo wrestler
- {{Nihongo|Hitomi Yamaguchi|山口 瞳||1923–1995}}, Japanese novelist and essayist
- {{Nihongo|Hōshun Yamaguchi|山口 蓬春||1893–1971}}, Japanese painter
- {{Nihongo|Hotaru Yamaguchi|山口 蛍||born 1990}}, Japanese footballer
- {{Nihongo|Ichiro Yamaguchi|山口 一郎||born 1980}}, Japanese musician
- {{Nihongo|Izumi Yamaguchi|山口 いづみ||born 1954}}, Japanese actress
- {{Nihongo|Jun Yamaguchi|山口 淳||born 1967}}, Japanese composer
- Junya Yamaguchi, Japanese musician
- {{Nihongo|Kaori Yamaguchi|山口 香||born 1964}}, Japanese judoka
- {{Nihongo|Kappei Yamaguchi|山口 勝平||born 1965}}, Japanese actor and voice actor
- {{Nihongo|Kayo Yamaguchi|山口 華楊||1899–1984}}, Japanese painter
- {{Nihongo|Kazuhiko Yamaguchi|山口 和彦||born 1937}}, Japanese film director
- Kazuki Yamaguchi (disambiguation), multiple people
- {{Nihongo|Kazuma Yamaguchi|山口 一真||born 1996}}, Japanese footballer
- {{Nihongo|Kazuo Yamaguchi|山口 一男||born 1946}}, Japanese sociologist
- {{Nihongo|Kei Yamaguchi|山口 慶||born 1983}}, Japanese footballer
- {{Nihongo|Keiji Yamaguchi|山口 圭司||born 1974}}, Japanese boxer
- {{Nihongo|Ken Yamaguchi|山口 健||1956–2011}}, Japanese voice actor
- {{Nihongo|Koichi Yamaguchi|山口 弘一}}, Japanese bicycle framebuilder
- {{Nihongo|Kosei Yamaguchi|山口 浩勢||born 1991}}, Japanese long-distance runner
- Kristi Yamaguchi (born 1971), American figure skater
- {{Nihongo|Mai Yamaguchi|山口 舞||born 1983}}, Japanese volleyball player
- {{Nihongo|Makoto Yamaguchi|山口 真||born 1944}}, Japanese origami artist
- {{Nihongo|Mami Yamaguchi|山口 麻美||born 1986}}, Japanese women's footballer
- {{Nihongo|Mamoru Yamaguchi|山口 マモル||born 1977}}, Japanese mixed martial artist
- {{Nihongo|Manabu Yamaguchi|山口学||born 1984}}, Japanese drummer and record producer known as Mabanua
- {{Nihongo|Marie Yamaguchi|山口 真理恵||born 1989}}, Japanese rugby sevens player
- Masa Yamaguchi (born 1974), Australian actor
- Masakatsu Yamaguchi, plaintiff foster father in Sweden v. Yamaguchi, a famous international family law trial
- {{Nihongo|Masakazu Yamaguchi|山口 譲司}}, Japanese manga artist
- {{Nihongo|Masao Yamaguchi|山口 昌男||1931–2013}}, Japanese anthropologist
- Masaya Yamaguchi (born 1970), American jazz guitarist and music writer
- {{Nihongo|Masayoshi Yamaguchi|山口 正義||born 1947}}, Japanese scientist
- {{Nihongo|Masuka Yamaguchi|山口 尚芳||1839-1894}}, Japanese government official
- {{Nihongo|Mayumi Yamaguchi|山口 眞弓||born 1975}}, Japanese voice actress
- {{Nihongo|Megumi Yamaguchi|山口 愛||born 1997}}, Japanese voice actress
- {{Nihongo|Mei Yamaguchi|山口 芽生||born 1983}}, Japanese mixed martial artist and kickboxer
- Michael Yamaguchi, American lawyer
- {{Nihongo|Misaki Yamaguchi|山口 美咲||born 1990}}, Japanese swimmer
- {{Nihongo|Miyako Yamaguchi|山口 美也子||born 1952}}, Japanese actress
- {{Nihongo|Moe Yamaguchi|山口 もえ||born 1977}}, Japanese television personality
- {{Nihongo|Momoe Yamaguchi|山口 百恵||born 1959}}, Japanese singer, actress and idol
- {{Nihongo|Motohiro Yamaguchi|山口 素弘||born 1969}}, Japanese footballer and manager
- {{Nihongo|Nana Yamaguchi|山口 奈々||born 1938}}, Japanese voice actress
- {{Nihongo|Naohide Yamaguchi|山口 尚秀||born 2000}}, Japanese Paralympic swimmer
- Noboru Yamaguchi (disambiguation), multiple people
- {{Nihongo|Natsuo Yamaguchi|山口 那津男||born 1952}}, Japanese politician
- {{Nihongo|Otoya Yamaguchi|山口 二矢||1943–1960}}, Japanese ultranationalist best known for his assassination of Inejiro Asanuma
- {{Nihongo|Renshi Yamaguchi|山口 廉史||born 1992}}, Japanese footballer
- {{Nihongo|Rie Yamaguchi|山口 理恵||born 1986}}, Japanese voice actress
- {{Nihongo|Rikako Yamaguchi|山口 立花子||born 1988}}, Japanese voice actress
- Roy Yamaguchi, Japanese-American chef
- {{Nihongo|Ryōta Yamaguchi|山口 亮太||born 1969}}, Japanese anime screenwriter
- Satoshi Yamaguchi (disambiguation), multiple people
- {{Nihongo|Satyu Yamaguti|山口 左仲||1894-1976}}, Japanese parasitologist
- {{Nihongo|Sayaka Yamaguchi|山口 紗弥加||born 1980}}, Japanese actress
- {{Nihongo|Sayoko Yamaguchi|山口 小夜子||1949–2007}}, Japanese model and actress
- {{Nihongo|Sayuri Yamaguchi|山口 小百合||born 1966}}, Japanese women's footballer
- {{Nihongo|Seigo Yamaguchi|山口 清吾||1924–1996}}, Japanese aikidoka
- {{Nihongo|Seiya Yamaguchi|山口 聖矢||born 1993}}, Japanese footballer
- {{Nihongo|Yamaguchi Sekkei|山口 雪渓||1644/48 – 1732}}, Japanese artist
- {{Nihongo|Senji Yamaguchi|山口 仙二||1930–2013}}, Japanese anti–nuclear weapons activist
- {{Nihongo|Shogo Yamaguchi|山口 翔悟||born 1983}}, Japanese actor
- {{Nihongo|Shun Yamaguchi|山口 俊||born 1987}}, Japanese baseball player
- {{Nihongo|Shunichi Yamaguchi|山口 俊一||born 1950}}, Japanese politician
- {{Nihongo|Yamaguchi Soken|山口 素絢||1759–1818}}, Japanese painter
- {{Nihongo|Susumu Yamaguchi|山口 益||1895–1976}}, Japanese Buddhist scholar
- {{Nihongo|Yamaguchi Tadasada|山口 正定||1843–1902}}, Imperial Japanese Navy officer
- {{Nihongo|Taimei Yamaguchi|山口 泰明||born 1948}}, Japanese politician
- {{Nihongo|Takahiro Yamaguchi|山口 貴弘||born 1984}}, Japanese footballer
- {{Nihongo|Takashi Yamaguchi (architect)|山口 隆||born 1953}}, Japanese architect
- {{Nihongo|Takashi Yamaguchi (actor, born 1936)|山口 崇||1936–2025}}, Japanese actor
- Takayuki Yamaguchi (disambiguation), multiple people
- {{Nihongo|Takeo Yamaguchi|山口 長男||1902–1983}}, Japanese painter
- {{Nihongo|Takeshi Yamaguchi|山口 武士||born 1979}}, Japanese footballer
- {{Nihongo|Tamon Yamaguchi|山口 多聞||1892–1942}}, Imperial Japanese Navy admiral
- {{Nihongo|Taro Yamaguchi|山口 太郎||born 1970}}, Japanese voice actor
- Tatsuya Yamaguchi (disambiguation), multiple people
- Tazuo Yamaguchi, American poet and filmmaker
- {{Nihongo|Tetsuharu Yamaguchi|山口 哲治||born 1970}}, Japanese footballer
- {{Nihongo|Tetsumasa Yamaguchi|山口 徹正||born 1947}}, Japanese sprint canoeist
- {{Nihongo|Tetsuya Yamaguchi|山口 鉄也||born 1983}}, Japanese baseball player
- {{Nihongo|Toichi Yamaguchi|山口 東一||born 1941}}, Japanese middle-distance runner
- {{Nihongo|Tomoko Yamaguchi|山口 智子||born 1964}}, Japanese actress and voice actress
- Tomomi Yamaguchi, Japanese anthropologist
- {{Nihongo|Tomomitsu Yamaguchi|山口 智充||born 1969}}, Japanese comedian, actor and voice actor
- {{Nihongo|Toshihiro Yamaguchi|山口 敏弘||born 1971}}, Japanese footballer
- {{Nihongo|Toshio Yamaguchi|山口 敏夫||born 1940}}, Japanese politician
- {{Nihongo|Tsubasa Yamaguchi|山口つばさ}}, Japanese manga artist
- {{Nihongo|Tsutomu Yamaguchi|山口 彊||1916–2010}}, Japanese national who survived both the Hiroshima and Nagasaki atomic bombings during the Second World War
- Tsuyoshi Yamaguchi (disambiguation), multiple people
- Wally Yamaguchi (1959–1958), also known as Yamaguchi-san, Japanese professional wrestling manager and sports journalist
- {{Nihongo|Yasushi Yamaguchi|山口 恭史}}, Japanese video game artist and designer
- {{Nihongo|Yoko Yamaguchi|山口 洋子||1937–2014}}, Japanese lyricist and writer
- {{Nihongo|Yorifusa Yamaguchi|山口 頼房||born 1959}}, Japanese film director
- {{Nihongo|Yoshiharu Yamaguchi|山口 良治||born 1943}}, Japanese rugby union player
- {{Nihongo|Yoshiko Yamaguchi|山口 淑子||1920–2014}}, Chinese-born Japanese actress and singer
- {{Nihongo|Yoshinori Yamaguchi|山口 祥義||born 1965}}, Japanese politician
- {{Nihongo|Yoshitada Yamaguchi|山口 芳忠||born 1944}}, Japanese footballer and manager
- {{Nihongo|Yūdai Yamaguchi|山口 雄大||born 1971}}, Japanese film director
- {{Nihongo|Yuki Yamaguchi|山口 有希||born 1984}}, Japanese sprinter
- {{Nihongo|Yuko Yamaguchi|山口 裕子||born 1955}}, Japanese character designer and illustrator
- {{nihongo|Yūji Yamaguchi|山口 祐司||fl. 1999–2014}}, Japanese animator
- {{Nihongo|Yuriko Yamaguchi (voice actress)|山口 由里子||born 1965}}, Japanese voice actress
- Yuriko Yamaguchi (sculptor) (born 1948), Japanese-American sculptor
- {{Nihongo|Yutaka Yamaguchi|山口 泰||born 1940}}, Japanese businessman and economist
- {{Nihongo|Zuiho Yamaguchi|山口 瑞鳳||1926–2023}}, Japanese Buddhist scholar and Tibetologist
Fictional characters
- {{Nihongo|Yamaguchi-sensei|山口先生}}, a character in the manga series Hajime no Ippo
- {{Nihongo|Kisaragi Yamaguchi|山口 如月}}, a character in the manga series GA Geijutsuka Art Design Class
- {{Nihongo|Kumiko "Yankumi" Yamaguchi|山口 久美子}}, a character in the manga series Gokusen
- {{Nihongo|Tadashi Yamaguchi|山口 忠}}, a character in the manga series Haikyu!!