Hirotaka Ishihara (石原 宏高) is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Kanagawa Prefecture and graduate of Keio University, he was elected to the House of Representatives for the first time in 2005 after an unsuccessful run in 2003. He is the son of Shintaro Ishihara, former governor of Tokyo, and like his father affiliated to the revisionist lobby Nippon Kaigi.