Koichi Wajima (輪島 功一, born 21 April 1943) is a Japanese former professional boxer who was the undisputed…Koichi Wajima (輪島 功一, born 21 April 1943) is a Japanese former professional boxer who was the undisputed light-middleweight champion. He held the WBA and WBC titles from 1971 and 1974, he regained the titles in January 1975 that included The Ring title but lost it right away on June of the same year. He once again won the WBA and The Ring title in 1976.
Shuta Yoshino (吉野 洲太, Yoshino Shūta; born 20 March 1943) is a Japanese boxer. He competed in the men's flyweight event…Shuta Yoshino (吉野 洲太, Yoshino Shūta; born 20 March 1943) is a Japanese boxer. He competed in the men's flyweight event at the 1964 Summer Olympics. At the 1964 Summer Olympics, he lost to Otto Babiasch from the United Team of Germany by decision in the Round of 16 after receiving a bye in the Round of 32.
Tadashi Sawamura (沢村 忠, Sawamura Tadashi; January 5, 1943 – March 26, 2021) was a Japanese kickboxer whose real name…Tadashi Sawamura (沢村 忠, Sawamura Tadashi; January 5, 1943 – March 26, 2021) was a Japanese kickboxer whose real name was Hideki Shiraha (白羽 秀樹, Shiraha Hideki). He is often credited with sparking the "Shōwa era kickboxing boom", being one of the era's most popular Japanese fighters, and enjoying great fame throughout his career.
Kichijiro Hamada (浜田 吉次郎, Hamada Kichijirō; 25 October 1942 – 22 September 2013) was a Japanese boxer. He competed in…Kichijiro Hamada (浜田 吉次郎, Hamada Kichijirō; 25 October 1942 – 22 September 2013) was a Japanese boxer. He competed in the men's welterweight event at the 1964 Summer Olympics.
Kanemaru Shiratori (白鳥 金丸, Shiratori Kanemaru; born 3 February 1942) is a Japanese boxer. He competed in the men's…Kanemaru Shiratori (白鳥 金丸, Shiratori Kanemaru; born 3 February 1942) is a Japanese boxer. He competed in the men's lightweight event at the 1964 Summer Olympics.
Takao Sakurai (桜井 孝雄, Sakurai Takao; September 25, 1941 – January 10, 2012) was a Japanese boxer who won a gold medal…Takao Sakurai (桜井 孝雄, Sakurai Takao; September 25, 1941 – January 10, 2012) was a Japanese boxer who won a gold medal at the 1964 Olympics.
Hiroyuki Ebihara (海老原 博幸, Ebihara Hiroyuki; March 26, 1940 – April 20, 1991) was a Japanese former professional boxer…Hiroyuki Ebihara (海老原 博幸, Ebihara Hiroyuki; March 26, 1940 – April 20, 1991) was a Japanese former professional boxer who competed from 1959 to 1969. He held the WBA, WBC, and The Ring flyweight titles from 1963 to 1964 and the WBA flyweight title again in 1969. Yuri Arbachakov used the ring name Yuri Ebihara in honor of him and the Pokémon Ebiwalar (エビワラー, Ebiwarā), known as Hitmonchan in English, is named after him.
Katsuji Watanabe (渡辺 勝治, Watanabe Katsuji; 11 March 1940 – 7 February 2021) was a Japanese boxer. He competed in the…Katsuji Watanabe (渡辺 勝治, Watanabe Katsuji; 11 March 1940 – 7 February 2021) was a Japanese boxer. He competed in the men's light welterweight event at the 1960 Summer Olympics. At the 1960 Summer Olympics in Rome, he lost to Piero Brandi of Italy in the Round of 32. He died on 7 February 2021.
Kyō Noguchi (June 14, 1939 – January 1, 2009) was a Japanese former professional boxer who was best known for winning…Kyō Noguchi (June 14, 1939 – January 1, 2009) was a Japanese former professional boxer who was best known for winning the Japanese flyweight title and fighting for the Oriental and Pacific Boxing Federation title.
Shinetsu Suzuki (鈴木 進悦, Suzuki Shinetsu; born 10 May 1939) is a Japanese boxer. He competed in the men's featherweight…Shinetsu Suzuki (鈴木 進悦, Suzuki Shinetsu; born 10 May 1939) is a Japanese boxer. He competed in the men's featherweight event at the 1960 Summer Olympics. At the 1960 Summer Olympics, he defeated Gaby Mancini of Canada, before losing to Jerzy Adamski of Poland.
Katsuo Haga (芳賀 勝男, Haga Katsuo; born 4 December 1938) is a Japanese boxer. He competed in the men's bantamweight event…Katsuo Haga (芳賀 勝男, Haga Katsuo; born 4 December 1938) is a Japanese boxer. He competed in the men's bantamweight event at the 1960 Summer Olympics.
Yasuyuki Ito (伊藤 靖倖, Itō Yasuyuki; born 27 August 1938) is a Japanese boxer. He competed in the men's lightweight event…Yasuyuki Ito (伊藤 靖倖, Itō Yasuyuki; born 27 August 1938) is a Japanese boxer. He competed in the men's lightweight event at the 1960 Summer Olympics. At the 1960 Summer Olympics, he defeated Abdel Kader Gangani of Morocco, before losing to Ferenc Kellner of Hungary.
Shinichiro Suzuki (鈴木 信一朗, Suzuki Shin'ichirō; born 21 November 1934) is a Japanese boxer. He competed in the men's…Shinichiro Suzuki (鈴木 信一朗, Suzuki Shin'ichirō; born 21 November 1934) is a Japanese boxer. He competed in the men's featherweight event at the 1956 Summer Olympics.
Kenji Yonekura (Japanese: 米倉 健司, Hepburn: Yonekura Kenji; 25 May 1934 – 20 April 2023) was a Japanese boxer who…Kenji Yonekura (Japanese: 米倉 健司, Hepburn: Yonekura Kenji; 25 May 1934 – 20 April 2023) was a Japanese boxer who competed at the 1956 Melbourne Olympic Games in the flyweight division, and was a two-time world title challenger in the flyweight and bantamweight divisions. He later served as the president of Yonekura Boxing Gym.
Toshihito Ishimaru (石丸 利人, Ishimaru Toshihito; 4 April 1931 – 11 March 2000) was a Japanese boxer. He competed at the…Toshihito Ishimaru (石丸 利人, Ishimaru Toshihito; 4 April 1931 – 11 March 2000) was a Japanese boxer. He competed at the 1952 Summer Olympics and the 1956 Summer Olympics. At the 1952 Summer Olympics, he lost to Pedro Galasso of Brazil. Ishimaru died on 11 March 2000, at the age of 68.
Yoshitaro Nagata (永田 吉太郎, Nagata Yoshitarō; born 28 December 1929) is a Japanese former boxer. He competed in the men's…Yoshitaro Nagata (永田 吉太郎, Nagata Yoshitarō; born 28 December 1929) is a Japanese former boxer. He competed in the men's flyweight event at the 1952 Summer Olympics. At the 1952 Summer Olympics, he lost to Mircea Dobrescu of Romania.
Yoshio Shirai (白井 義男, Shirai Yoshio; November 23, 1923 – December 26, 2003) was a professional boxer from Tokyo, Japan.…Yoshio Shirai (白井 義男, Shirai Yoshio; November 23, 1923 – December 26, 2003) was a professional boxer from Tokyo, Japan. He won the Undisputed Flyweight Championship in 1952, becoming the first Japanese boxer to win a world title.
Hidekichi Nagamatsu (Japanese: 永松 英吉; August 4, 1914 – November 18, 1992) was a Japanese boxer who competed in the 1936…Hidekichi Nagamatsu (Japanese: 永松 英吉; August 4, 1914 – November 18, 1992) was a Japanese boxer who competed in the 1936 Summer Olympics. In 1936 he was eliminated in the second round of the lightweight class after losing his fight to the upcoming silver medalist Nikolai Stepulov.
Chiyoto Nakano (Japanese: 中野 千代人; born 7 February 1913, date of death unknown) was a Japanese boxer who competed in the…Chiyoto Nakano (Japanese: 中野 千代人; born 7 February 1913, date of death unknown) was a Japanese boxer who competed in the 1936 Summer Olympics. In 1936 he was eliminated in the second round of the flyweight class after losing his fight to Alfredo Carlomagno.
Shunpei Hashioka (Japanese: 橋岡 俊平; born July 7, 1911, in Osaka, Japan – August 7, 1978) was a Japanese-Chinese boxer…Shunpei Hashioka (Japanese: 橋岡 俊平; born July 7, 1911, in Osaka, Japan – August 7, 1978) was a Japanese-Chinese boxer who competed in the 1936 Summer Olympics. In 1936 he was eliminated in the quarter-finals of the bantamweight class after losing his fight to Stig Cederberg.
Akira Nakao (中尾 明, Nakao Akira; born October 14, 1909, date of death unknown) was a Japanese boxer who competed in the…Akira Nakao (中尾 明, Nakao Akira; born October 14, 1909, date of death unknown) was a Japanese boxer who competed in the 1932 Summer Olympics. He was eliminated in the quarter-finals of the bantamweight class after losing his fight to the eventual bronze medalist José Villanueva.
Aikoku Hirabayashi (平林 愛国, Hirabayashi Aikoku; born 24 March 1909, date of death unknown) was a Japanese boxer. He…Aikoku Hirabayashi (平林 愛国, Hirabayashi Aikoku; born 24 March 1909, date of death unknown) was a Japanese boxer. He competed in the men's welterweight event at the 1932 Summer Olympics. In his first fight of the tournament, he lost to Erich Campe of Germany.
Kiyonobu Murakami (村上清信) (24 December 1907 - 8 October 1951) was a Japanese boxer who competed in the 1932 Summer…Kiyonobu Murakami (村上清信) (24 December 1907 - 8 October 1951) was a Japanese boxer who competed in the 1932 Summer Olympics. He was the national champion in the flyweight division for two years running in 1930–31, winning at the Japan Amateur Boxing Association's Japanese Amateur Boxing Championships. In 1932 he was eliminated in the quarter-finals of the flyweight class after losing his fight to Thomas Pardoe.
Kintaro Usuda (臼田 金太郎, Usuda Kintarō; September 25, 1906 in Ota-ku, Tokyo, Japan – May 27, 1980) was a Japanese boxer…Kintaro Usuda (臼田 金太郎, Usuda Kintarō; September 25, 1906 in Ota-ku, Tokyo, Japan – May 27, 1980) was a Japanese boxer who competed in the 1928 Summer Olympics. In 1928 he was eliminated in the quarter-finals of the welterweight class after losing his fight to the upcoming bronze medalist Raymond Smillie.
Fuji Okamoto (岡本 不二, Okamoto Fuji; July 4, 1905 in Nagoya, Aichi, Japan – January 4, 1984) was a Japanese boxer who…Fuji Okamoto (岡本 不二, Okamoto Fuji; July 4, 1905 in Nagoya, Aichi, Japan – January 4, 1984) was a Japanese boxer who competed in the 1928 Summer Olympics. In 1928 he was eliminated in the second round of the bantamweight class after losing his fight to Frank Traynor of Ireland.
Katsuo Kameoka (亀岡 勝雄, Kameoka Katsuo; 23 March 1905 in Koori, Fukushima, Japan – 14 November 1945) was a Japanese…Katsuo Kameoka (亀岡 勝雄, Kameoka Katsuo; 23 March 1905 in Koori, Fukushima, Japan – 14 November 1945) was a Japanese boxer who competed in the 1932 Summer Olympics. In 1932 he was eliminated in the first round of the featherweight class after losing his fight to the upcoming bronze medalist Allan Carlsson.
Ryosuke Nishida (Japanese: 西田凌佑, Nishida Ryosuke; born 7 August 1996) is a Japanese professional boxer, who held the…Ryosuke Nishida (Japanese: 西田凌佑, Nishida Ryosuke; born 7 August 1996) is a Japanese professional boxer, who held the International Boxing Federation (IBF) bantamweight title from 2024 to 2025.
Momo Koseki (小関桃, Koseki Momo; born 31 July 1982) is a Japanese former professional boxer. She is a two-weight world…Momo Koseki (小関桃, Koseki Momo; born 31 July 1982) is a Japanese former professional boxer. She is a two-weight world champion, having held the WBC female atomweight title from 2008 to 2015; the WBA female atomweight title in 2015; and the WBC female strawweight title in 2017. Koseki made a record-breaking seventeen consecutive title defenses of her WBC atomweight title. Koseki is a member of the International Women's Boxing Hall of Fame.
Takuma Inoue (井上 拓真, Inoue Takuma; born December 26, 1995) is a Japanese professional boxer. He is a two-time…Takuma Inoue (井上 拓真, Inoue Takuma; born December 26, 1995) is a Japanese professional boxer. He is a two-time bantamweight champion having held the World Boxing Council (WBC) bantamweight title since November 2025, and previously the World Boxing Association (WBA) bantamweight title from 2023 to 2024.
Yuichiro "Jienotsu" Nagashima (長島☆自演乙☆雄一郎, Nagashima Jien'otsu Yūichirō; born July 2, 1984) is a Japanese cosplayer…Yuichiro "Jienotsu" Nagashima (長島☆自演乙☆雄一郎, Nagashima Jien'otsu Yūichirō; born July 2, 1984) is a Japanese cosplayer, retired kickboxer, mixed martial artist, known for his career in K-1.
Mika Iwakawa (岩川美花, Iwakawa Mika; born 26 July 1983) is a Japanese professional boxer who held the IBF atomweight title…Mika Iwakawa (岩川美花, Iwakawa Mika; born 26 July 1983) is a Japanese professional boxer who held the IBF atomweight title from 2022 to 2024 and the WBO atomweight title from 2018 to 2022.
Yuko Kuroki (黒木優子, Kuroki Yuko; born 28 March 1991) is a Japanese professional boxer. She has been a world champion in…Yuko Kuroki (黒木優子, Kuroki Yuko; born 28 March 1991) is a Japanese professional boxer. She has been a world champion in two-weight classes having held the WBA female minimumweight title from January 2025 to October 2025, the WBC female minimumweight title from 2014 to 2017 and the unified WBO and WBA female atomweight titles from 2022 to 2024.
Yoko Gushiken (具志堅 用高, Gushiken Yōkō; born 26 June 1955) is a Japanese former professional boxer who competed from 1974…Yoko Gushiken (具志堅 用高, Gushiken Yōkō; born 26 June 1955) is a Japanese former professional boxer who competed from 1974 to 1981. He held the WBA light-flyweight title from 1976 to 1981, making a total of 13 successful defences. Following his retirement from boxing, he remains popular in Japan as a tarento having signed a contract with Ohta Production. He is well known in Japan for his trademark hair style. Gushiken was inducted in 2015 to the International Boxing Hall of Fame.
Hwang Eul-su was a Korean boxer. He competed in the men's lightweight event at the 1932 Summer Olympics representing…Hwang Eul-su was a Korean boxer. He competed in the men's lightweight event at the 1932 Summer Olympics representing Japan using the name Otsu Shuko, misspelling of Otsushu Ko, an alternative pronunciation of Otsuhide Ō, the Japanese pronunciation of his Hanja name 黃乙秀.
Mako Yamada (山田真子, born 26 May 1994) is a Japanese kickboxer and former boxer, currently competing in the atomweight…Mako Yamada (山田真子, born 26 May 1994) is a Japanese kickboxer and former boxer, currently competing in the atomweight division of KNOCK OUT. Yamada is a former boxing world champion, having held the WBO mini flyweight title in 2014. She is the first Japanese woman to win a world title in Korea and the first female Japanese fighter to win a WBO world title. A professional competitor since 2010, Yamada is the 2010 J-Girls Next Challenger tournament winner, as well as the 2010 J-Girls atomweight champion.
Lee Ryol-li (born May 20, 1982), or Retsuri Lee, is a Japanese-born North Korean retired professional boxer. He was…Lee Ryol-li (born May 20, 1982), or Retsuri Lee, is a Japanese-born North Korean retired professional boxer. He was born in Kadoma, Osaka, and lives in Yokohama, Kanagawa.
Masao Ohba (大場政夫, Ōba Masao; October 21, 1949 – January 25, 1973) was a Japanese professional boxer. He became the WBA…Masao Ohba (大場政夫, Ōba Masao; October 21, 1949 – January 25, 1973) was a Japanese professional boxer. He became the WBA flyweight World Champion on October 22, 1970, defeating the reigning champion Berkrerk Chartvanchai in Tokyo and retained the championship for an impressive 5 title straight defenses. He died in a car accident at 23, still holding his world title. He was trained by Isamu Kuwata.He is Soh Ohba's uncle. Soh's adoptive father is Masao's younger brother, Isaburo Ohba, who is 5 years younger than him. Since 1994, Isaburo has served as the chairman of the Japan Renewal Party Yokohama City Rental Supporting Members Liaison Committee, the assistant secretary general of the New Frontier Party (Japan)(NFP) Kanagawa Prefectural Union, and a temporary staff member of the NFP successor party.
