Koichi Kishi (岸 宏一, Kishi Kōichi, June 3, 1940 – October 16, 2017) was a Japanese politician of the Liberal Democratic Party, a member of the House of Councillors in the Diet (national legislature). A native of Kaneyama, Yamagata and graduate of Waseda University, he served in the town assembly of Kaneyama from 1967. He then served as mayor of the town for seven terms from 1971 until 1998 when he was elected to the House of Councillors for the first time.
