Tadahiko Ito (伊藤 忠彦, Itō Tadahiko, born July 11, 1964) is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Nagoya, Aichi and graduate of Waseda University, he was elected to the first of his two terms in the Aichi Prefectural Assembly in 1999 and then to the House of Representatives for the first time in 2005.