100 Notable alumni of Keio University

Tamisuke Watanuki is a retired Japanese politician who served as Speaker of the House of Representatives from 2000 to 2003.

Atsuo Egashira, known by his pen name Jun Etō (江藤 淳, Etō Jun), was a Japanese writer and literary critic active in the Shōwa and early Heisei periods.

Yosano Hiroshi, known by his pen name Tekkan Yosano (与謝野 鉄幹 or 與謝野 鐵幹, Yosano Tekkan) was a Japanese author and poet active in late Meiji, Taishō, and early Shōwa era. His wife was fellow author Yosano Akiko. His grandson was politician Kaoru Yosano.

Yoshio Taniguchi was a Japanese architect best known for his redesign of the Museum of Modern Art in New York City, which was reopened on 20 November 2004. Critics have emphasized Taniguchi's fusion of traditional Japanese and Modernist aesthetics. Martin Filler, writing in The New York Times, praised "the luminous physicality and calm aura of Taniguchi's buildings," noting that the...

Ichiro Aisawa is a Japanese politician of the Liberal Democratic Party, who serves as a member of the House of Representatives in the Diet (national legislature). A native of Mitsu District, Okayama and graduate of Keio University, he was elected to the House of Representatives for the first time in 1986.

Kazuyoshi Akaba is a Japanese politician who served as the Minister of Land, Infrastructure, Transport and Tourism from September 2019 to October 2021. He is also a member of the House of Representatives, representing the Hyogo 2nd district since 2012.

Yi Kang, Prince Imperial Ui, also known as Prince Uihwa (1891–1900) or King Ui (1900–1955) was the second son of Emperor Gojong of Korea and his concubine, Lady Jang, who was a court lady-in-waiting.

Haruo Sato was a Japanese novelist and poet active during the Taishō and Shōwa periods of Japan. His works are known for their explorations of melancholy. He won the 4th Yomiuri Prize.

Masajuro Shiokawa was a Japanese economist and politician.

Shigefumi Matsuzawa is a Japanese politician and a current member of the House of Councillors for the Kanagawa at-large district in the Diet of Japan.

Daisuke Yamashita was a Japanese Nippon Professional Baseball player.

Akihiko Hoshide is a Japanese engineer, JAXA astronaut, and former commander of the International Space Station. On August 30, 2012, Hoshide became the third Japanese astronaut to walk in space.

Keishi Ōtomo is a Japanese film director and screenwriter. He is known for psychological thrillers and historical dramas, as well as adapting a variety of manga and novels to film, including The Vulture (2009), Ryōmaden (2010), and the Rurouni Kenshin film series. Ōtomo’s awards include the Audience Award at the 18th Fantasia International Film Festival in Montreal (2014), the Popularity...

Kōji Fukutani is a Japanese professional baseball pitcher for the Hokkaido Nippon Ham Fighters of Nippon Professional Baseball (NPB).

Taku Otsuka is a Japanese politician who is serving as a member of the House of Representatives in the National Diet for the Liberal Democratic Party. He is affiliated with the revisionist lobby Nippon Kaigi.

Kohei Murakami is a Japanese actor from Tokyo. He graduated from Keio University's business school. He is known for his portrayal of Masato Kusaka/Kamen Rider Kaixa in Kamen Rider 555 and as Yuji Nakajo/Hikomaro/Giza/Hikaru in Cutie Honey: The Live. He also had a regular role as Kent Kiba/Dimensional Investigator Kent in Jikuu Keisatsu Wecker D-02. He also has a role...

Sanzō Nosaka was a Japanese writer, editor, labor organizer, communist agent, politician, and university professor and a founder of the Japanese Communist Party (JCP). He was the son of a wealthy Japanese merchant, and attended Keio University. While in university, Nosaka became interested in social movements, and joined a moderate labor organization after graduation, working as a research staff member,...

Hajime Funada is a Japanese politician of the Liberal Democratic Party, who serve as a member of the House of Representatives in the Diet (national legislature) and a former Minister of Economic Planning. A native of Utsunomiya, Tochigi he attended Keio University both as undergraduate and graduate. He was elected to the House of Representatives for the first time in...

Tokihiro Nakamura is a Japanese politician and the current governor of Ehime Prefecture, located in the Shikoku region of Japan. He succeeded Moriyuki Kato in the 2010 Ehime gubernatorial election. Nakamura has previously served as the mayor of Matsuyama, the largest city in Ehime and Shikoku, from 1999 to 2010. He has also represented Ehime in the national House of...

Eiji Okada was a Japanese film actor from Chōshi, Chiba. Okada served in the Imperial Japanese Army during World War II and was a miner and traveling salesman before becoming an actor.

Daijiro Hashimoto is a politically independent former governor of the Kōchi Prefecture who served from 1991 to 2007, with an intermediate resignation in 2004 to test support after a scandal alleging transactions between his campaign aide and a construction company in 1991. He is also the host of "Wide Scramble", a morning show on TV Asahi. His policies included encouraging...

Tadamori Ōshima is a former Japanese politician who served as the Speaker of the House of Representatives from 2015 to 2021. A member of the Liberal Democratic Party, he previously served as the Minister of Agriculture, Forestry and Fisheries, and Minister of Education, Culture, Sports, Science and Technology. He is affiliated to the revisionist lobby Nippon Kaigi.

Hiroshi Aramata is a Japanese author, polymath, critic, translator and specialist in natural history, iconography and cartography. His most popular novel was Teito Monogatari (Tale of the Capitol), which has sold over 5 million copies in Japan alone.

Theodor Holm Nelson is an American pioneer of information technology, philosopher of computer science, and sociologist. He coined the terms hypertext and hypermedia in 1963 and published them in 1965. According to his profile published in Forbes in 1997, Nelson "sees himself as a literary romantic, like a Cyrano de Bergerac, or 'the Orson Welles of software'."

Hayata Ito is a Japanese professional baseball outfielder. He has played in Nippon Professional Baseball (NPB) for the Hanshin Tigers.

Hiroko Nakamura was a Japanese pianist.

Motoshi Fujita (藤田 元司, Fujita Motoshi; (August 7, 1931 – February 9, 2006) was a Japanese professional baseball pitcher and manager. He spent his entire career with the Yomiuri Giants of Nippon Professional Baseball, winning two Japan Series titles as a player and two more as manager.

Hidenao Nakagawa is a former Japanese politician of the Liberal Democratic Party, who served as a member of the House of Representatives of the Diet (parliament).

Banri Kaieda is a Japanese politician who is served as the Vice Speaker of the House of Representatives of Japan from 2021 to 2024. A member of the House of Representatives of Japan, he also served as the President of the Democratic Party of Japan between 2012 and 2014. He is a former minister in the Kan cabinet.

Chiaki Mukai is a Japanese physician and JAXA astronaut. She was the first Japanese woman in space, the first Japanese citizen to have two spaceflights, and the first Asian woman in space. Both were Space Shuttle missions; her first was STS-65 aboard Space Shuttle Columbia in July 1994, which was a Spacelab mission. Her second spaceflight was STS-95 aboard Space...

Hiroshi Akutagawa was a Japanese stage and film actor and director. In his 30 years spanning career, he appeared in numerous stage productions and films by directors such as Shirō Toyoda, Tadashi Imai, Heinosuke Gosho, Akira Kurosawa and Nagisa Ōshima.

Yūya Gunji is a Japanese professional baseball catcher, infielder and outfielder for the Hokkaido Nippon-Ham Fighters of Nippon Professional Baseball (NPB). He has previously played in NPB for the Chunichi Dragons.

Naoki Tanaka is a former Japanese politician of the Democratic Party of Japan, who served as a member of the House of Councillors in the Diet (national legislature), from Niigata Prefectural electorate. He is a native of Kanazawa, Ishikawa and a graduate of Keio University.

Frankie Sakai was a Japanese comedian, actor, and musician.

Motohiro Ōno is a Japanese politician and the current governor of Saitama Prefecture in Japan. He assumed office replacing Kiyoshi Ueda in the August 2019 gubernatorial elections.

Akihisa Nagashima is a member of the House of Representatives of Japan as well as a visiting professor at Chuo University's Graduate School of Public Studies. He served as the Parliamentary Vice Minister of Defense in the Kan Cabinet.

Shōji Kawamori is a Japanese animation creator and producer, screenwriter, visual artist, and mecha designer. He is best known for creating the Macross mecha animated franchise and the Diaclone toyline, which were in turn the basis for the Robotech and Transformers franchises, respectively. He is also known for creating The Vision of Escaflowne anime series. He pioneered several innovative concepts...

Reika Saiki is a Japanese actress and former bodybuilder, singer, idol and professional wrestler.

Misako Konno, born Misako Shinoda (篠田 美佐子 Shinoda Misako, born September 8, 1960) is a Japanese actress and essayist.

Keizo Takemi is a Japanese politician of the Liberal Democratic Party who served as a member of the House of Councillors of Japan.

Sakutarō Hagiwara was a Japanese writer of free verse, active in the Taishō and early Shōwa periods of Japan. He liberated Japanese free verse from the grip of traditional rules, and he is considered the "father of modern colloquial poetry in Japan". He published many volumes of essays, literary and cultural criticism, and aphorisms over his long career. His unique...

Yorihisa Matsuno is a former Japanese politician. He was a member of the Japan Restoration Association (JRA), and a member of the House of Representatives in the Diet (national legislature). On 3 October 2012, he was selected as the parliamentary leader of the JRA and held this position until the party dissolved in September 2014. He is the member for...

Toshio Suzuki is a Japanese film producer and studio executive. He is a co-founder and the current chairman of Studio Ghibli, one of Japan's most prominent animation studios. Suzuki began his career at Tokuma Shoten, working as a magazine editor and covering manga and animation, before becoming editor of Animage, where he established professional relationships with Hayao Miyazaki and Isao...

Yukio Ozaki was a Japanese politician of liberal signature, born in modern-day Sagamihara, Kanagawa. Ozaki served in the House of Representatives of the Japanese Diet for 63 years (1890–1953). He is still revered in Japan as the "God of constitutional politics" and the "father of the Japanese Constitution".

Kyoko Uchida is a Germany born-Japanese free announcer. She is a former announcer for Fuji Television. Her real name is Kyoko Kimoto (木本 恭子, Kimoto Kyoko) née Uchida (内田). She is nicknamed Ucchī (ウッチー). She grew up in Yokohama, Kanagawa Prefecture and Chicago. She graduated from Keio University College of Commerce.

Hirofumi Nakasone is a Japanese politician, who served as a Minister for Foreign Affairs from September 2008 to September 2009. A member of Liberal Democratic Party, he was also served as a Minister of Education under then-Japanese Prime Minister Yoshirō Mori. He is the son of former Japanese Prime Minister Yasuhiro Nakasone.

Tsunekazu Takeda is a Japanese businessman, retired Olympic equestrian and the former President of the Japanese Olympic Committee, stepping down on 21 March 2019 amidst a corruption investigation. He also resigned as a member of the International Olympic Committee.

Ryota Yamagata is a Japanese sprinter holding the Japanese record of 9.95 in the 100m.

Joichi Ito is a Japanese entrepreneur and venture capitalist. He is the president of Chiba Institute of Technology. He is on the Board of Directors for the Gelephu Mindfulness City in Bhutan where he is also the Chairman of the Gelephu Investment Development Corporation (GIDC). He is a former director of the MIT Media Lab, former professor of the practice...

Tatsuo Fukuda is a Japanese politician who currently serves as chairman of the General Council of the ruling Liberal Democratic Party. He also serves as a member of the House of Representatives for the Liberal Democratic Party. He is the son of former Prime Minister Yasuo Fukuda and grandson of former Prime Minister Takeo Fukuda.

Yasutaka Nakasone is a Japanese politician, who served as a member of the House of Representatives since 2017. He also served as a Parliamentary Vice-Minister of Defense under Prime Minister Fumio Kishida from 2021 to 2022. From 2024 to October 2025, he served as director of the LDP Youth Division. From October 2025, he serves as Deputy Chairman of the...

Isao Tomita was a Japanese composer regarded as one of the pioneers of electronic music and space music as well as one of the most famous producers of analog synthesizer arrangements. In addition to creating note-by-note realizations, Tomita made extensive use of the sound-design capabilities of his instrument, using synthesizers to create new sounds to accompany and enhance his electronic...

Masazumi Gotoda is a Japanese politician and the current governor of Tokushima Prefecture. A native of Oe District, Tokushima and graduate of Keio University, he worked at Mitsubishi Corporation from 1993 to 1998. Gotoda was a member of the House of Representatives in the Diet, for the Liberal Democratic Party, between 2000 and 2023. In 2023 he was elected as...

Wataru Takeshita was a Japanese politician who served in the House of Representatives in the Diet (national legislature) as a member of the Liberal Democratic Party. A native of Kakeya, Shimane and graduate of Keio University he was elected for the first time in 2000. His elder brother was former prime minister Noboru Takeshita.

Gaku Hashimoto is a Japanese politician of the Liberal Democratic Party and a former member of the House of Representatives in the Diet. He represented the 4th District of Okayama prefecture.

Ichizō Kobayashi, occasionally referred to by his pseudonym Itsuō (逸翁), was a Japanese industrialist and politician. He is best known as the founder of Hankyu Railway, the Takarazuka Revue, and Toho. He served as Minister of Commerce and Industry between 1940 and 1941.

Hirotaka Ishihara is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). He has been Minister of the Environment within Prime Minister Sanae Takaichi's cabinet since 2025. A native of Kanagawa Prefecture and graduate of Keio University, he was elected to the House of Representatives for the first time...

Junko Abe formerly known by her stage name Jun Yoshinaga (吉永淳, Yoshinaga Jun), is a Japanese actress and model.

Takeshi Niinami is a Japanese business executive, who was president, CEO and representative director of Suntory from 2014 until his resignation in September 2025. Suntory is the largest alcoholic beverage maker in Japan, and holds the brands Yamazaki and Jim Beam in its portfolio.

Iehiro Tokugawa is a Japanese author and translator who is the 19th generation and current head of the main House of Tokugawa. His great-great-grandfather was the famed Matsudaira Katamori of Aizu, and his maternal great-great-grandfather was Tokugawa Iesato, the sixteenth head of the House of Tokugawa.

Yoshihiko Hosoda is a Japanese actor from Tokyo who has starred the movies Detroit Metal City (2008) and Ooku (2010). He was once affiliated to the talent agency Stardust Promotion under his stage name Yoshihiko Hosoda (though his first name is written in hiragana Hosoda Yoshihiko (細田 よしひこ)), but left in October 2013. He is currently affiliated with Alpha Agency...

Ryō Fukawa, also known as ROCKETMAN, is a Japanese comedian and musician. He belongs to Watanabe Entertainment. On television he generally takes minor roles and is characterized by his childlike temperament and boyish looks. He is also a member of the owarai group No Plan.

Yoshinori Muto is a Japanese professional footballer who plays as a forward or a winger for Vissel Kobe.

Yoshiko Sakurai is a Japanese journalist, TV presenter, writer, and political activist. She is also president of the Japan Institute for National Fundamentals, established in 2007.

Akira Amari is a Japanese politician of the Liberal Democratic Party (LDP) and a former member of the lower house.

Masahiko Kinoshi, better known by his stage name Ichikawa Ennosuke III (三代目 市川 猿之助, Sandaime Ichikawa Ennosuke; Japanese pronunciation: [i.tɕi̥.kaꜜ.wa (|) en.no.sɯ̥.ke]), was a Japanese kabuki actor, famous for his love of keren (stage tricks). He was considered the king of chūnori; he flew out over the audience, held aloft on strings, over 5000 times.

Katsuyuki Kawai is a Japanese former politician of the Liberal Democratic Party (LDP), a member of the House of Representatives in the Diet (national legislature). A native of Hiroshima, Hiroshima and graduate of Keio University, he ran unsuccessfully for the House of Representatives in 1993 after serving in the assembly of Hiroshima Prefecture. After losing his seat in 2000, he...

Yohji Yamamoto is a Japanese fashion designer based in Tokyo and Paris. As he considered a master tailor alongside those such as Madeleine Vionnet, he is best known for his avant-garde tailoring featuring Japanese design aesthetics.

Kengo Kuma is a Japanese architect and emeritus professor in the Department of Architecture (Graduate School of Engineering) at the University of Tokyo. Frequently compared to contemporaries Shigeru Ban and Kazuyo Sejima, he is also noted for his prolific writings. Kuma is the designer of the Japan National Stadium in Tokyo, built for the 2020 Summer Olympics. In politics, he...

Shūsaku Endō was a Japanese author who wrote from the perspective of a Japanese Catholic. Internationally, he is known for his 1966 historical fiction novel Silence, which was adapted into a 2016 film of the same name by director Martin Scorsese. He was the laureate of several prestigious literary accolades, including the Akutagawa Prize and the Order of Culture, and...

Akira Ikegami is a Japanese journalist and author.

Yoshizumi Ishihara is a Japanese weather presenter, TV personality, and actor. Born in Zushi, Kanagawa, he is the second son of Tokyo governor Shintaro Ishihara, and brother of politicians Nobuteru Ishihara and Hirotaka Ishihara.

Nobuteru Ishihara is a Japanese politician, who served as the Secretary-General of the Liberal Democratic Party from 2010 to 2012. Previously, he also served in the House of Representatives as representative from 1990 to 2021.

Ryutaro Hashimoto was a Japanese politician who served as prime minister of Japan from 1996 to 1998.

Yoshinobu Takahashi is a Japanese former professional baseball player and manager. He spent his entire playing career with the Yomiuri Giants and served as the team's manager for three seasons. He graduated from Keio University.

Mina Fujii is a Japanese actress. She started her career in the entertainment industry at the age of nine. She is best known for her role in the TV adaptation of Bloody Monday, Kyōfu, and for appearing in TVXQ's "Dōshite Kimi o Suki ni Natte Shimattandarō?" music video.

Yoshie Takeuchi is a freelance announcer in Japan. She is a former announcer for TV Asahi.

Ayuko Kato is a Japanese politician of the Liberal Democratic Party (LDP) who is the current member of the House of Representatives for Yamagata 3rd district. She served as Minister of State in the Kishida Cabinet.

Noritoshi Furuichi is Japanese Sociologist and novelist. He is also a TV personality. He is also known for his best-selling book Zetsubō no Kuni no Kōfuku na Wakamono-tachi (The Happy Youth of a Desperate Country).

Inukai Tsuyoshi was a Japanese statesman who served as prime minister of Japan from 1931 to his assassination in 1932. At the age of 76, Inukai was Japan's second oldest-serving prime minister, after Kantarō Suzuki whose term ended at the age of 77.

Yūzō Kayama is a Japanese musician, singer-songwriter and actor.

Wakana Aoi is a Japanese actress and former singer. In March 2017, she landed the lead role in NHK's 97th Asadora, Laugh It Up!, which aired from October 2017 to March 2018.

Miwa is a Japanese singer-songwriter. She debuted in 2010 with the single "Don't Cry Anymore", which was used as the theme song for the drama Nakanai to Kimeta Hi.

Naoko Takeuchi is a Japanese manga artist. She is best known as the author of Sailor Moon, one of the most popular manga series of all time. She has won several awards, including the 1993 Kodansha Manga Award for Sailor Moon.

Nobuo Kishi is a Japanese politician. He sat in the House of Representatives from 2012 to 2023 representing Yamaguchi’s 2nd District as a member of the Liberal Democratic Party. From September 2020 to August 2022 he served as the Minister of Defense. He is the younger brother of former Japanese prime minister Shinzo Abe.

Hidetaka Miyazaki is a Japanese video game director, designer, writer, and president of the game developer FromSoftware. He joined the company in 2004 and was a designer for the Armored Core series before receiving wider recognition for creating the Dark Souls series. Miyazaki was promoted to company president in 2014 and also serves as its representative director. Other similar games...

Yuki Furukawa is a Japanese actor. He gained popularity as NOX (NOX Knight/Kamen Rider NOX) in the 2025 to 2026 Kamen Rider TV series Kamen Rider ZEZTZ.

Akio Toyoda is a Japanese business executive who is the chairman of Toyota. He was previously the company's president and chief executive officer (CEO). Toyoda is a grandson of the founder of Toyota Motors, Kiichiro Toyoda, and a great-grandson of both the industrialist, Sakichi Toyoda, and the founder of the Takashimaya department stores corporation, Shinshichi Iida.

Airi Suzuki is a Japanese singer, actress, model, and radio personality associated with Up-Front Works. In 2002, she joined Hello! Project as a member of Hello! Project Kids and later debuted as the lead vocalist of the Japanese idol girl group Cute in 2005. Throughout her singing career, Suzuki also became a vocalist for the girl group Buono! From June...

Fumi Nikaidō is a Japanese actress.

Takanori Iwata is a Japanese dancer and actor. He performs with the J-Pop groups Sandaime J Soul Brothers and Exile. As a member of Sandaime J Soul Brothers, he has received the Japan Record Awards twice. He earned his first leading role as an actor in the film Shokubutsu Zukan ("Evergreen Love") in 2016, which won him the "Newcomer of...

Sho Sakurai is a Japanese singer, songwriter, rapper, actor, news anchor, host and former radio host, under agent contract with Starto Entertainment. He is a member of the boy band Arashi.

Mariya Takeuchi is a Japanese singer-songwriter and record producer. Regarded as the "Queen of City Pop", Takeuchi is one of the best-selling music artists in Japan with over 16 million records sold. Internationally, her 1985 song "Plastic Love" became a sleeper hit and the catalyst of the 21st century revival of city pop.

Takahiko Kinoshi, better known by the stage name Ichikawa Ennosuke IV (四代目 市川 猿之助, Yodaime Ichikawa Ennosuke), is a Japanese kabuki, film, and television actor and stage director.

Kazuyo Katsuma is a Japanese businesswoman and author of several best selling books, with sales numbers in the tens of millions. She writes mostly about self management, work–life balance, gender equality and how women can become more successful. She concentrates especially on optimizing thought processes and increasing productivity.

Takeo Kawamura is a professional baseball player from Yamato, Kanagawa, Japan. He is a retired pitcher for the Yokohama BayStars.

Akira Senju is a Japanese composer, arranger and conductor.

Ichirō Fujiyama, born Takeo Masunaga (増永 丈夫, Masunaga Takeo), was a Japanese singer and composer, known for his contribution to Japanese popular music called ryūkōka by his Western classical music skills. He was born in Chūō, Tokyo, and graduated from the Tokyo Music School. Although he was regarded as a tenor singer in Japanese popular music, he was originally a...

Junichiro Koizumi is a Japanese retired politician who served as Prime Minister of Japan and president of the Liberal Democratic Party (LDP) from 2001 to 2006. He retired from politics in 2009. He is the sixth-longest serving Prime Minister in Japanese history.