List of Famous people named Koichi

Kōichi Tabuchi is a Japanese former professional baseball player, manager, and commentator. During his career, Tabuchi played for the Hanshin Tigers and the Seibu Lions. Tabuchi played catcher for the Hanshin Tigers from 1969 and 1978, where his combination with pitcher Yutaka Enatsu was called the "Golden Battery".

Koichi Wajima is a retired Japanese professional boxer who competed in the light middleweight division. He is the former Undisputed Light Middleweight Champion of the World, who won both WBC and WBA titles.

Koichi Wakata is a Japanese engineer and a JAXA astronaut. Wakata is a veteran of four NASA Space Shuttle missions, a Russian Soyuz mission, and a long-duration stay on the International Space Station. During a nearly two-decade career in spaceflight, he has logged more than eleven months in space. During Expedition 39, he became the first Japanese commander of the International Space Station. Wakata flew on the Soyuz TMA-11M/Expedition 38/Expedition 39 long duration spaceflight from 7 November 2013 to 13 May 2014. During this spaceflight he was accompanied by Kirobo, the first humanoid robot astronaut.

Koichi Nakamura is a Japanese video game designer. A programming prodigy, Nakamura gained fame while still in high school; in 1982, he entered Enix's national programming contest and claimed first place with his entry, Door Door. In 1984, he founded the video game company Chunsoft, where he remains its president.

Koichi Togashi is a former Japanese football player and manager.

Kōichi Shiota is a Japanese politician currently serving as the governor of Kagoshima Prefecture.

Koichi Yamamoto is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet.

Koichi Toyama is a Japanese street musician and a fringe political activist who was a candidate for the governor of Tokyo in the year 2007. He was born in Kagoshima Prefecture and lives in Fukuoka. He gained notoriety with his provocative 2007 Tokyo gubernatorial election speech.

Koichi Nakano of Japan is a former professional racing cyclist and ten-consecutive-time world champion in track cycling sprint. He is among the best track sprinters of modern times. From 1977 to 1986, he won an unprecedented 10 consecutive gold medals in professional sprint events at the UCI track world Championships. He was one of the most successful competitors of all-time on the Japanese professional keirin circuit.

Koichi Ose is a Japanese actor famous for his lead role as Samurai swordsman Akikusa Shintaro in The Samurai. This series made a huge impact when shown in Australia in 1965. He worked in television from 1958 to 1972 after which he became a businessman. He also became skilled in Iaido, the art of swift sword drawing.