{{Short description|Japanese politician}} {{Use dmy dates|date=April 2026}} {{Infobox officeholder | name = Issei Koga | native_name = {{nobold|古賀 一成}} | native_name_lang = ja | image = Issei Koga 20120719moushiire.jpg | caption = Koga in 2012 | office = Member of the House of Representatives | constituency = Fukuoka 6th (2003–2005)<br>Kyushu PR (2005–2012) | term_start = 9 November 2003 | term_end = 16 November 2012 | predecessor = Ryūzō Aramaki | successor = ''Multi-member district'' | constituency1 = Fukuoka 3rd (1990–1996)<br>Kyushu PR (1996–2002) | term_start1 = 18 February 1990 | term_end1 = 15 October 2002 | predecessor1 = Heihachirō Yamazaki | successor1 = Takashi Yonezawa | birth_date = {{birth date and age|1947|7|30|df=y}} | birth_place = Yanagawa, Fukuoka, Japan | death_date = | death_place = | alma_mater = University of Tokyo | party = Democratic (1998–2012) | other_party = LDP (1990–1993)<br>Independent (1993–1994)<br>JRP (1994)<br>NFP (1994–1998)<br>GGP (1998) }} {{nihongo|'''Issei Koga'''|古賀 一成|Koga Issei|extra=born 30 July 1947}} is a retired Japanese politician of the Democratic Party of Japan, who served as a member of the House of Representatives in the Diet (national legislature). A native of Yanagawa, Fukuoka and graduate of the University of Tokyo, he was a bureaucrat at the Ministry of Construction from 1971 to 1988. He was elected to the House of Representatives for the first time in 1990.
== References == * {{cite news |url=http://www.senkyo.janjan.jp/diet/profile/0008/00008324.html |script-title=ja:政治家情報 〜古賀 一成〜 |script-newspaper=ja:ザ･選挙 |newspaper=JANJAN |accessdate=2007-10-20 |language=ja}}
== External links == * [https://web.archive.org/web/20051025072432/http://www.1sey.com/ Official website] in Japanese.
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{{DEFAULTSORT:Koga, Issei}} Category:University of Tokyo alumni Category:People from Yanagawa, Fukuoka Category:Politicians from Fukuoka Prefecture Category:Living people Category:1947 births Category:Democratic Party of Japan politicians Category:Members of the House of Representatives (Japan) 2003–2005 Category:Members of the House of Representatives (Japan) 2005–2009 Category:Members of the House of Representatives (Japan) 2009–2012
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