List of Famous people named Koichiro

Kōichirō Genba is a Japanese politician and the Minister of Foreign Affairs from 2011 to 2012. He is a member of the House of Representatives in the Diet, and was a member to the Democratic Party of Japan and its successor Democratic Party until its merger in 2018. He left the party briefly before the merger, and joined the Group of Independents House of Representatives caucus of other former Democrats a few days later. A native of Tamura, Fukushima and graduate of Sophia University, he was later accepted into the prestigious Matsushita Institute of Government and Management, an institution founded by Panasonic founder Konosuke Matsushita which grooms future civic leaders of Japan. Genba was elected to the House of Representatives for the first time in 1993 after serving in the assembly of Fukushima Prefecture for one term. In September 2011 he was chosen as Minister of Foreign Affairs in the cabinet of Prime Minister Yoshihiko Noda.

Koichiro Yoshinaga is a Japanese former Nippon Professional Baseball catcher/infielder.

Koichiro Koga is a Japanese male volleyball player. He is part of the Japan men's national volleyball team. On club level he plays for Toyoda Gosei Trefuerza.

Kōichirō Matsuura is a Japanese diplomat. He is the former Director-General of UNESCO. He was first elected in 1999 to a six-year term and reelected on 12 October 2005 for four years, following a reform instituted by the 29th session of the General Conference. In November 2009, he was replaced by Irina Bokova.

Koichiro Katafuchi is a former Japanese football player and manager.