Katsunori Hirai (平井 克典, Hirai Katsunori; born December 20, 1991) is a Japanese professional baseball pitcher who is a…Katsunori Hirai (平井 克典, Hirai Katsunori; born December 20, 1991) is a Japanese professional baseball pitcher who is a free agent. He has previously played in Nippon Professional Baseball (NPB) for the Saitama Seibu Lions.
Shinnosuke Kakinaga (垣永 真之介, Kakinaga Shinnosuke; born 19 December 1991) is a Japanese professional rugby union player…Shinnosuke Kakinaga (垣永 真之介, Kakinaga Shinnosuke; born 19 December 1991) is a Japanese professional rugby union player who plays as a prop for Japan Rugby League One club Tokyo Sungoliath and the Japan national team.
Yuta Shitara (設楽 悠太, Shitara Yūta; born 18 December 1991) is a Japanese long-distance runner. He competed in the 10,000…Yuta Shitara (設楽 悠太, Shitara Yūta; born 18 December 1991) is a Japanese long-distance runner. He competed in the 10,000 metres at the 2015 World Championships in Beijing finishing 23rd. Yuta Shitara competed in the 2018 edition of the Tokyo Marathon, where he, after falling off the lead pack at 32 km to seventh place, regrouped and advanced position to take second overall, at 2:06:11, which was a new Japanese National Record at the time. In doing so, he also won a prize of 100 million yen (roughly $936,000) that was offered to any Japanese man who could run a new national record.
Teruya Goto (後藤 輝也, Gotō Teruya; born December 18, 1991) is a Japanese rugby sevens player. He competed for Japan 7s at…Teruya Goto (後藤 輝也, Gotō Teruya; born December 18, 1991) is a Japanese rugby sevens player. He competed for Japan 7s at the 2016 Summer Olympics in Brazil. He scored the first try in their upset against New Zealand at the Olympics.
Takuya Kinoshita (木下 拓哉, Kinoshita Takuya; born December 18, 1991) is a Japanese professional baseball catcher for the…Takuya Kinoshita (木下 拓哉, Kinoshita Takuya; born December 18, 1991) is a Japanese professional baseball catcher for the Chunichi Dragons of Nippon Professional Baseball (NPB).
Jin Izumisawa (泉澤 仁, Izumisawa Jin; born 17 December 1991) is a Japanese professional footballer who plays as a…Jin Izumisawa (泉澤 仁, Izumisawa Jin; born 17 December 1991) is a Japanese professional footballer who plays as a midfielder for J3 League club FC Gifu.
Kazuki Nagasawa (長澤 和輝, Nagasawa Kazuki; pronounced [na̠ɡa̠za̠wa̠ ka̠zɯ̟ᵝkʲi]; born 16 December 1991) is a Japanese…Kazuki Nagasawa (長澤 和輝, Nagasawa Kazuki; pronounced [na̠ɡa̠za̠wa̠ ka̠zɯ̟ᵝkʲi]; born 16 December 1991) is a Japanese professional footballer who plays as a midfielder for A-League club Wellington Phoenix.
Mitsuki Takahata (高畑 充希, Takahata Mitsuki; born December 14, 1991) is a Japanese actress and singer who is represented…Mitsuki Takahata (高畑 充希, Takahata Mitsuki; born December 14, 1991) is a Japanese actress and singer who is represented by the talent agency Horipro. She attended Hosei University as an undergraduate student. Her song "Hitomi Hiraite" is the Japanese theme song for Meet the Robinsons.
Maria Miyata (宮田 真理愛, Miyata Maria; born December 13, 1991, in Tokyo, Japan), better known as Nonoka Ono (おの ののか, Ono…Maria Miyata (宮田 真理愛, Miyata Maria; born December 13, 1991, in Tokyo, Japan), better known as Nonoka Ono (おの ののか, Ono Nonoka), is a Japanese entertainer and race queen who is represented by the talent agency, Platinum Production. Ono is nicknamed Nonokyan (ののきゃん).
Masaru Nakamura (中村 勝, Nakamura Masaru) (born December 11, 1991) is a Japanese professional baseball pitcher who is a…Masaru Nakamura (中村 勝, Nakamura Masaru) (born December 11, 1991) is a Japanese professional baseball pitcher who is a free agent. He has previously played in Nippon Professional Baseball (NPB) for the Hokkaido Nippon-Ham Fighters and Orix Buffaloes.
Akihiro Hakumura (白村 明弘, Hakumura Akihiro; born December 11, 1991) is a Japanese former professional baseball…Akihiro Hakumura (白村 明弘, Hakumura Akihiro; born December 11, 1991) is a Japanese former professional baseball outfielder. He has played in his entire career with the Nippon Professional Baseball (NPB) for the Hokkaido Nippon-Ham Fighters.
Satoru Uyama (宇山 賢, Uyama Satoru, born 10 December 1991) is a Japanese right-handed épée fencer, 2016 team Asian…Satoru Uyama (宇山 賢, Uyama Satoru, born 10 December 1991) is a Japanese right-handed épée fencer, 2016 team Asian champion, and 2021 team Olympic champion. Along with Koki Kano, Masaru Yamada, and Kazuyasu Minobe, Uyama was a member of the Japanese team that won gold in the team men's épée event at the 2020 Tokyo Olympic Games. It was Japan's first Olympic gold medal in fencing.
Shota Emi (翔太江見, Shōta Emi; born 8 December 1991) is a Japanese rugby union player who plays as a wing. He currently…Shota Emi (翔太江見, Shōta Emi; born 8 December 1991) is a Japanese rugby union player who plays as a wing. He currently plays for Suntory Sungoliath in Japan's domestic Top League. He represented the Sunwolves in the 2017 Super Rugby season, scoring a try after just 24 seconds in a match against the Cheetahs, the fastest try recorded in an 18-team Super Rugby competition. Emi also represented Japan at rugby sevens, playing for them at the 2013 World Cup.
Taijiro Mori (森 泰次郎, Mori Taijiro; born December 8, 1991) is a Japanese footballer who plays as a midfielder for Toyama…Taijiro Mori (森 泰次郎, Mori Taijiro; born December 8, 1991) is a Japanese footballer who plays as a midfielder for Toyama Shinjo in Hokushinetsu Football League.
Tomofumi Takajo (born 7 December 1991) is a Japanese judoka. Takajo is the silver medalist of the 2017 Judo Grand Slam…Tomofumi Takajo (born 7 December 1991) is a Japanese judoka. Takajo is the silver medalist of the 2017 Judo Grand Slam Baku in the –66 kg category.
Makoto Sawaguchi (澤口誠, born December 5, 1991) is a Japanese former professional basketball player who last played for…Makoto Sawaguchi (澤口誠, born December 5, 1991) is a Japanese former professional basketball player who last played for the Iwate Big Bulls of the B.League in Japan. He was selected by the Akita Northern Happinets with the 9th overall pick in the 2010 bj League draft.
Toshiya Okada (岡田 俊哉, Okada Toshiya; born December 5, 1991 in Hidaka District, Wakayama, Japan) is a professional…Toshiya Okada (岡田 俊哉, Okada Toshiya; born December 5, 1991 in Hidaka District, Wakayama, Japan) is a professional Japanese baseball player. He plays pitcher for the Chunichi Dragons.
Maiko Fujimoto (born 4 December 1991) is a former Japanese rugby union player. She competed for Japan at the 2017…Maiko Fujimoto (born 4 December 1991) is a former Japanese rugby union player. She competed for Japan at the 2017 Women's Rugby World Cup.
Masahiro Usui (碓井 将大, Usui Masahiro; born December 3, 1991) is a Japanese actor and member of the acting troupe D-BOYS…Masahiro Usui (碓井 将大, Usui Masahiro; born December 3, 1991) is a Japanese actor and member of the acting troupe D-BOYS, produced by Watanabe Entertainment.
Kurumi Yoshida (吉田 胡桃, Yoshida Kurumi; born 1 December 1991) is a Japanese synchronized swimmer. She competed in the…Kurumi Yoshida (吉田 胡桃, Yoshida Kurumi; born 1 December 1991) is a Japanese synchronized swimmer. She competed in the women's team event at the 2012 Olympic Games. She was part of the Japanese team that won bronze at the 2016 Olympics. She was also part of the Japanese team that won bronze medal in the team technical routine, team free routine and free routine combination events at the 2015 World Championships.
Yosuke Yuzawa (湯澤 洋介, Yuzawa, Yosuke; born 16 October 1990 in Nikkō, Tochigi) is a Japanese footballer who plays as a…Yosuke Yuzawa (湯澤 洋介, Yuzawa, Yosuke; born 16 October 1990 in Nikkō, Tochigi) is a Japanese footballer who plays as a midfielder for J-Lease FC.
Haku Ri (李博, Ri Haku; born 27 December 1990), also known as Lee Haku, is a Japanese volleyball player, a member of the…Haku Ri (李博, Ri Haku; born 27 December 1990), also known as Lee Haku, is a Japanese volleyball player, a member of the Japan men's national volleyball team and Toray Arrows in V.League division 1.
Takamitsu Tomiyama (富山 貴光, Tomiyama Takamitsu; born 26 December 1990) is a Japanese professional footballer who plays…Takamitsu Tomiyama (富山 貴光, Tomiyama Takamitsu; born 26 December 1990) is a Japanese professional footballer who plays as a forward for J2 League club RB Omiya Ardija.
Gakuji Ota (太田 岳志, Ota Gakuji; born 26 December 1990 in Kuwana, Mie) is a Japanese footballer. He currently plays for…Gakuji Ota (太田 岳志, Ota Gakuji; born 26 December 1990 in Kuwana, Mie) is a Japanese footballer. He currently plays for Kyoto Sanga FC.
Shōta Matsushima (松島 庄汰, Matsushima Shōta; born December 26, 1990 in Amagasaki, Hyōgo Prefecture, Japan) is a Japanese…Shōta Matsushima (松島 庄汰, Matsushima Shōta; born December 26, 1990 in Amagasaki, Hyōgo Prefecture, Japan) is a Japanese actor. He is currently under contract with Amuse, Inc.
Kenta Tateyama (born December 26, 1990) is a Japanese former professional basketball player who last played for the…Kenta Tateyama (born December 26, 1990) is a Japanese former professional basketball player who last played for the Saitama Broncos of the B3 League in Japan. He was referred as a genius by Akita's former head coach Kazuo Nakamura.
Ryo Miyake (三宅 諒, Miyake Ryō; born 24 December 1990) is a Japanese fencer. At the 2012 Summer Olympics he competed in…Ryo Miyake (三宅 諒, Miyake Ryō; born 24 December 1990) is a Japanese fencer. At the 2012 Summer Olympics he competed in the Men's foil, but was defeated in the second round. He won a silver medal in the team foil event. During the postponement of the 2020 Summer Olympics, Miyake worked as a deliveryman for Uber Eats.
Yu Horiuchi (堀内優, Horiuchi Yū) (born December 23, 1990) is a female wrestler from Japan. She won a silver medal at the…Yu Horiuchi (堀内優, Horiuchi Yū) (born December 23, 1990) is a female wrestler from Japan. She won a silver medal at the 2010 World Wrestling Championships in Moscow.
Emi Shimizu (清水 絵美, Shimizu Emi; born December 21, 1990) is a Japanese female curler. She is a two-time Pacific-Asia…Emi Shimizu (清水 絵美, Shimizu Emi; born December 21, 1990) is a Japanese female curler. She is a two-time Pacific-Asia silver medallist (2012, 2019) and a two-time Japan women's champion (2014, 2017). She is a member of the Chubu Electric Power Curling Team, a works team of Chubu Electric Power.
Naoki Kobayashi (小林 直己, Kobayashi Naoki; born 20 December 1990 in Hadano, Kanagawa) is a Japanese track and field…Naoki Kobayashi (小林 直己, Kobayashi Naoki; born 20 December 1990 in Hadano, Kanagawa) is a Japanese track and field sprinter who specialises in the 400 metres. His personal best in the event is 45.79 seconds. He competed in the 4 × 400 metres relay at the 2015 World Championships without qualifying for the final.
Erina Yamane (山根 恵里奈, Yamane Erina; born December 20, 1990) is a Japanese former footballer who played as a goalkeeper.…Erina Yamane (山根 恵里奈, Yamane Erina; born December 20, 1990) is a Japanese former footballer who played as a goalkeeper. She formerly played for the Japan national team.
Takahiro Norimoto (則本 昂大, Norimoto Takahiro; born December 17, 1990) is a Japanese professional baseball pitcher for…Takahiro Norimoto (則本 昂大, Norimoto Takahiro; born December 17, 1990) is a Japanese professional baseball pitcher for the Yomiuri Giants of Nippon Professional Baseball (NPB). He has previously played in NPB for the Tohoku Rakuten Golden Eagles.
Shoya Uchimura (内村祥也, Uchimura Shoya; born 16 December 1990) is a Japanese former professional basketball player who…Shoya Uchimura (内村祥也, Uchimura Shoya; born 16 December 1990) is a Japanese former professional basketball player who played for Akita Northern Happinets of the bj league in Japan.
Hiroki Uchida (内田 大貴, Uchida Hiroki; born 15 December 1990) is a Japanese footballer who plays as a forward for…Hiroki Uchida (内田 大貴, Uchida Hiroki; born 15 December 1990) is a Japanese footballer who plays as a forward for Yokohama Fortress Football Club in the Kanto Football League 1.
Shoya Tomizawa (富沢 祥也, Tomizawa Shōya) (10 December 1990 – 5 September 2010) was a Japanese motorcycle racer. After a…Shoya Tomizawa (富沢 祥也, Tomizawa Shōya) (10 December 1990 – 5 September 2010) was a Japanese motorcycle racer. After a successful career in the All Japan Road Race Championship, he switched to MotoGP and competed in the 250cc class during 2009. In the 2010 season, he rode in the newly created Moto2 class. Tomizawa won the first race of the new class, at Losail in Qatar, winning by nearly five seconds from Alex Debón and Jules Cluzel. Tomizawa died after sustaining cranial, thoracic and abdominal trauma at the San Marino Grand Prix.
Naoki Kuriyama (栗山 直樹, Kuriyama Naoki; born 8 December 1990), more commonly known as Kuriyama, is a Japanese retired…Naoki Kuriyama (栗山 直樹, Kuriyama Naoki; born 8 December 1990), more commonly known as Kuriyama, is a Japanese retired footballer who played as a centre-back or left-back.
Koharu Fujimoto (藤本 小春, Fujimoto Koharu; née Yonemoto) born 7 December 1990 is a retired Japanese badminton player who…Koharu Fujimoto (藤本 小春, Fujimoto Koharu; née Yonemoto) born 7 December 1990 is a retired Japanese badminton player who has been affiliated with Hokuto Bank. She was the women's doubles bronze medalist at the 2018 World Championships, and the silver medalist at the 2013 East Asian Games. She won the year-end tournament Superseries Finals in 2017. Yonemoto was part of Japanese winning team at the 2017 Asia Mixed Team Championships, 2018 Uber Cup, 2018 Asian Games, and at the 2018 Asia Women's Team Championships.
Rumi Suizu (水津 瑠美, Suizu Rumi; born December 7, 1990 in London, England) is a Japanese former competitive figure…Rumi Suizu (水津 瑠美, Suizu Rumi; born December 7, 1990 in London, England) is a Japanese former competitive figure skater. She is the 2007 Japan Junior champion and placed 5th at the 2007 World Junior Championships. She won five ISU Junior Grand Prix medals.
Yukiko Inui (乾 友紀子, Inui Yukiko; born 4 December 1990) is a Japanese competitor in synchronised swimming. She won…Yukiko Inui (乾 友紀子, Inui Yukiko; born 4 December 1990) is a Japanese competitor in synchronised swimming. She won Japan's first gold medal in each the solo technical routine and the solo free routine at a FINA World Aquatics Championships at the 2022 World Aquatics Championships. She competed at the 2020 Summer Olympics, in the duet event with Megumu Yoshida, and in the team event.
Takuji Yonemoto (米本 拓司, Yonemoto Takuji; born 3 December 1990) is a Japanese footballer who plays as defensive…Takuji Yonemoto (米本 拓司, Yonemoto Takuji; born 3 December 1990) is a Japanese footballer who plays as defensive midfielder for J1 League club Kyoto Sanga.
Hikaru Yaotome (八乙女 光, Yaotome, Hikaru; born December 2, 1990) is a Japanese singer, actor, and tarento. He is a member…Hikaru Yaotome (八乙女 光, Yaotome, Hikaru; born December 2, 1990) is a Japanese singer, actor, and tarento. He is a member of Hey! Say! JUMP under Starto Entertainment. He was born in Miyagi Prefecture. On December 1, 2002, he entered Johnny & Associates as a trainee. Later, he was put in the junior group Ya-Ya-yah and became the secondary lead vocalist after Kota Yabu. On September 21, 2007, he debuted and began performing as a member of Hey! Say! JUMP. In 2009, he graduated from Horikoshi High School alongside Taiyo Ayukawa and actress Saki Fukuda. He plays bass guitar in their concerts and even displayed talents in composing and lyrics writing on their first studio album JUMP No. 1.
Takahiro Anno (Japanese: 安野 貴博, Hepburn: Anno Takahiro; born 1 December 1990) is a Japanese politician, writer, AI…Takahiro Anno (Japanese: 安野 貴博, Hepburn: Anno Takahiro; born 1 December 1990) is a Japanese politician, writer, AI engineer and scientist who serves in the House of Councillors and founded Team Mirai. He was elected as Team Mirai's only seat in the 2025 Japanese House of Councillors election. Anno graduated from the University of Tokyo School of Engineering with a focus on Artificial Intelligence in 2014. He joined the Boston Consulting Group after, and would go on to found several companies focusing on the use of AI for business, such as BEDORE and MNTSQ. He also became an aspiring science fiction writer, winning awards for several of his short stories, such as "Continuous Integration". He was inducted into the Science Fiction and Fantasy Writers of Japan in 2022 after his novel "Circuit Switcher" was published. Anno began his political activities when he ran for Governor of Tokyo in 2024. He placed fifth, and then founded Team Mirai to contest the 2025 Councillor elections. The party won a seat with an estimated 2.3% of the vote, and met the legal requirement to become a political party.
Ryo Aitaka (愛鷹 亮, Aitaka Ryō; born 31 December 1989) is a Japanese professional wrestler and former kickboxer, who…Ryo Aitaka (愛鷹 亮, Aitaka Ryō; born 31 December 1989) is a Japanese professional wrestler and former kickboxer, who competed in the cruiserweight and heavyweight divisions of K-1. He was a one-time K-1 Cruiserweight title challenger, having challenged for the title in 2020. In 2023, he took up professional wrestling, training at the Ibushi Prowrest Lab, and made his debut for Gleat on 30 December, under the ring name Riki Aitaka (愛鷹 力, Aitaka Riki), and later under his real name.
Takuya Sugimoto (杉本拓也, Sugimoto, Takuya; born 31 December 1989, in Shizuoka) is a Japanese footballer who plays for…Takuya Sugimoto (杉本拓也, Sugimoto, Takuya; born 31 December 1989, in Shizuoka) is a Japanese footballer who plays for Fukui United.
Kengo Tanaka (田中 謙吾, Tanaka Kengo; born December 30, 1989) is a Japanese footballer who plays as a goalkeeper for J2…Kengo Tanaka (田中 謙吾, Tanaka Kengo; born December 30, 1989) is a Japanese footballer who plays as a goalkeeper for J2 League club Iwaki FC.
Kei Nishikori (錦織 圭, Nishikori Kei; [ɲiɕi̥koꜜɾi keꜜː]; born 29 December 1989) is a Japanese former professional tennis…Kei Nishikori (錦織 圭, Nishikori Kei; [ɲiɕi̥koꜜɾi keꜜː]; born 29 December 1989) is a Japanese former professional tennis player. He was ranked as high as world No. 4 in men's singles by the Association of Tennis Professionals, making him the highest-ranked Japanese man in the Open Era and the second-highest-ranked of all time (after Jiro Sato). Nishikori won twelve singles titles on the ATP Tour and was runner-up at the 2014 US Open (upsetting world No. 1 Novak Djokovic en route), making him the only man representing an Asian country to contest a major singles final. In addition, Nishikori defeated Rafael Nadal to win the bronze medal in singles at the 2016 Rio Olympics, bringing Japan its first Olympic tennis medal in 96 years. He holds the third best percentage of deciding-set wins in the Open Era at 72.4%, and has the third-highest win percentage in matches extending to five sets, with a record of 29–8 and a win percentage of 78.4%.