Yamaguchi (surname)

Yamaguchi (山口, "mountain entrance/gateway") is the 14th most common Japanese surname.^[1]

• Adam Yamaguchi, American television correspondent and producer
• Akane Yamaguchi (山口 茜; born 1997), Japanese badminton player
• Akihiro Yamaguchi (山口 観弘; born 1994), Japanese swimmer
• Akira Yamaguchi (山口 晃; born 1969), Japanese artist
• Atsushi Yamaguchi (judge), (born 1953), Japanese judge
• Bidou Yamaguchi (山口 毘堂; born 1970), Japanese Noh mask carver
• Eri Yamaguchi (disambiguation), multiple people
• Eriko Yamaguchi (山口 恵梨子; born 1991), Japanese shogi player
• Erina Yamaguchi (山口 絵里奈; born 1985), Japanese gravure idol
• Gōgen Yamaguchi (山口 剛玄; 1909–1989), Japanese karateka
• Gorō Yamaguchi (山口 五郎; 1933–1999), Japanese shakuhachi musician
• 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
• Yamaguchi Hisashi (山口 久; 1952–2010), Japanese sumo wrestler
• Hitomi Yamaguchi (山口 瞳; 1923–1995), Japanese novelist and essayist
• Hōshun Yamaguchi (山口 蓬春; 1893–1971), Japanese painter
• Hotaru Yamaguchi (山口 蛍; born 1990), Japanese footballer
• Ichiro Yamaguchi (山口 一郎; born 1980), Japanese musician
• Izumi Yamaguchi (山口 いづみ; born 1954), Japanese actress
• Jun Yamaguchi (山口 淳; born 1967), Japanese composer
• Junya Yamaguchi, Japanese musician
• Kaori Yamaguchi (山口 香; born 1964), Japanese judoka
• Kappei Yamaguchi (山口 勝平; born 1965), Japanese actor and voice actor
• Kayo Yamaguchi (山口 華楊; 1899–1984), Japanese painter
• Kazuhiko Yamaguchi (山口 和彦; born 1937), Japanese film director
• Kazuki Yamaguchi (disambiguation), multiple people
• Kazuma Yamaguchi (山口 一真; born 1996), Japanese footballer
• Kazuo Yamaguchi (山口 一男; born 1946), Japanese sociologist
• Kei Yamaguchi (山口 慶; born 1983), Japanese footballer
• Keiji Yamaguchi (山口 圭司; born 1974), Japanese boxer
• Ken Yamaguchi (山口 健; 1956–2011), Japanese voice actor
• Koichi Yamaguchi (山口 弘一), Japanese bicycle framebuilder
• Kosei Yamaguchi (山口 浩勢; born 1991), Japanese long-distance runner
• Kristi Yamaguchi (born 1971), American figure skater
• Mai Yamaguchi (山口 舞; born 1983), Japanese volleyball player
• Makoto Yamaguchi (山口 真; born 1944), Japanese origami artist
• Mami Yamaguchi (山口 麻美; born 1986), Japanese women's footballer
• Mamoru Yamaguchi (山口 マモル; born 1977), Japanese mixed martial artist
• Manabu Yamaguchi (山口学; born 1984), Japanese drummer and record producer known as Mabanua
• 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
• Masakazu Yamaguchi (山口 譲司), Japanese manga artist
• Masao Yamaguchi (山口 昌男; 1931–2013), Japanese anthropologist
• Masaya Yamaguchi (born 1970), American jazz guitarist and music writer
• Masayoshi Yamaguchi (山口 正義; born 1947), Japanese scientist
• Masuka Yamaguchi (山口 尚芳; 1839-1894), Japanese government official
• Mayumi Yamaguchi (山口 眞弓; born 1975), Japanese voice actress
• Megumi Yamaguchi (山口 愛; born 1997), Japanese voice actress
• Mei Yamaguchi (山口 芽生; born 1983), Japanese mixed martial artist and kickboxer
• Michael Yamaguchi, American lawyer
• Misaki Yamaguchi (山口 美咲; born 1990), Japanese swimmer
• Miyako Yamaguchi (山口 美也子; born 1952), Japanese actress
• Moe Yamaguchi (山口 もえ; born 1977), Japanese television personality
• Momoe Yamaguchi (山口 百恵; born 1959), Japanese singer, actress and idol
• Motohiro Yamaguchi (山口 素弘; born 1969), Japanese footballer and manager
• Nana Yamaguchi (山口 奈々; born 1938), Japanese voice actress
• Naohide Yamaguchi (山口 尚秀; born 2000), Japanese Paralympic swimmer
• Noboru Yamaguchi (disambiguation), multiple people
• Natsuo Yamaguchi (山口 那津男; born 1952), Japanese politician
• Otoya Yamaguchi (山口 二矢; 1943–1960), Japanese ultranationalist best known for his assassination of Inejiro Asanuma
• Renshi Yamaguchi (山口 廉史; born 1992), Japanese footballer
• Rie Yamaguchi (山口 理恵; born 1986), Japanese voice actress
• Rikako Yamaguchi (山口 立花子; born 1988), Japanese voice actress
• Roy Yamaguchi, Japanese-American chef
• Ryōta Yamaguchi (山口 亮太; born 1969), Japanese anime screenwriter
• Satoshi Yamaguchi (disambiguation), multiple people
• Satyu Yamaguti (山口 左仲; 1894-1976), Japanese parasitologist
• Sayaka Yamaguchi (山口 紗弥加; born 1980), Japanese actress
• Sayoko Yamaguchi (山口 小夜子; 1949–2007), Japanese model and actress
• Sayuri Yamaguchi (山口 小百合; born 1966), Japanese women's footballer
• Seigo Yamaguchi (山口 清吾; 1924–1996), Japanese aikidoka
• Seiya Yamaguchi (山口 聖矢; born 1993), Japanese footballer
• Yamaguchi Sekkei (山口 雪渓; 1644/48 – 1732), Japanese artist
• Senji Yamaguchi (山口 仙二; 1930–2013), Japanese anti–nuclear weapons activist
• Shogo Yamaguchi (山口 翔悟; born 1983), Japanese actor
• Shun Yamaguchi (山口 俊; born 1987), Japanese baseball player
• Shunichi Yamaguchi (山口 俊一; born 1950), Japanese politician
• Yamaguchi Soken (山口 素絢; 1759–1818), Japanese painter
• Susumu Yamaguchi (山口 益; 1895–1976), Japanese Buddhist scholar
• Yamaguchi Tadasada (山口 正定; 1843–1902), Imperial Japanese Navy officer
• Taimei Yamaguchi (山口 泰明; born 1948), Japanese politician
• Takahiro Yamaguchi (山口 貴弘; born 1984), Japanese footballer
• Takashi Yamaguchi (architect) (山口 隆; born 1953), Japanese architect
• Takashi Yamaguchi (actor, born 1936) (山口 崇; 1936–2025), Japanese actor
• Takayuki Yamaguchi (disambiguation), multiple people
• Takeo Yamaguchi (山口 長男; 1902–1983), Japanese painter
• Takeshi Yamaguchi (山口 武士; born 1979), Japanese footballer
• Tamon Yamaguchi (山口 多聞; 1892–1942), Imperial Japanese Navy admiral
• Taro Yamaguchi (山口 太郎; born 1970), Japanese voice actor
• Tatsuya Yamaguchi (disambiguation), multiple people
• Tazuo Yamaguchi, American poet and filmmaker
• Tetsuharu Yamaguchi (山口 哲治; born 1970), Japanese footballer
• Tetsumasa Yamaguchi (山口 徹正; born 1947), Japanese sprint canoeist
• Tetsuya Yamaguchi (山口 鉄也; born 1983), Japanese baseball player
• Toichi Yamaguchi (山口 東一; born 1941), Japanese middle-distance runner
• Tomoko Yamaguchi (山口 智子; born 1964), Japanese actress and voice actress
• Tomomi Yamaguchi, Japanese anthropologist
• Tomomitsu Yamaguchi (山口 智充; born 1969), Japanese comedian, actor and voice actor
• Toshihiro Yamaguchi (山口 敏弘; born 1971), Japanese footballer
• Toshio Yamaguchi (山口 敏夫; born 1940), Japanese politician
• Tsubasa Yamaguchi (山口つばさ), Japanese manga artist
• 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
• Yasushi Yamaguchi (山口 恭史), Japanese video game artist and designer
• Yoko Yamaguchi (山口 洋子; 1937–2014), Japanese lyricist and writer
• Yorifusa Yamaguchi (山口 頼房; born 1959), Japanese film director
• Yoshiharu Yamaguchi (山口 良治; born 1943), Japanese rugby union player
• Yoshiko Yamaguchi (山口 淑子; 1920–2014), Chinese-born Japanese actress and singer
• Yoshinori Yamaguchi (山口 祥義; born 1965), Japanese politician
• Yoshitada Yamaguchi (山口 芳忠; born 1944), Japanese footballer and manager
• Yūdai Yamaguchi (山口 雄大; born 1971), Japanese film director
• Yuki Yamaguchi (山口 有希; born 1984), Japanese sprinter
• Yuko Yamaguchi (山口 裕子; born 1955), Japanese character designer and illustrator
• Yūji Yamaguchi (山口 祐司; fl. 1999–2014), Japanese animator
• Yuriko Yamaguchi (voice actress) (山口 由里子; born 1965), Japanese voice actress
• Yuriko Yamaguchi (sculptor) (born 1948), Japanese-American sculptor
• Yutaka Yamaguchi (山口 泰; born 1940), Japanese businessman and economist
• Zuiho Yamaguchi (山口 瑞鳳; 1926–2023), Japanese Buddhist scholar and Tibetologist

• Yamaguchi-sensei (山口先生), a character in the manga series Hajime no Ippo
• Kisaragi Yamaguchi (山口 如月), a character in the manga series GA Geijutsuka Art Design Class
• Kumiko "Yankumi" Yamaguchi (山口 久美子), a character in the manga series Gokusen
• Tadashi Yamaguchi (山口 忠), a character in the manga series Haikyu!!