Koji Futada (二田 孝治, Futada Kōji, born May 4, 1938) is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Minamiakita District, Akita and graduate of Chuo University, he was elected to the assembly of Akita Prefecture for the first time in 1975 and to the House of Representatives for the first time in 1986.