Daishiro Yamagiwa (山際 大志郎 Yamagiwa Daishirō, born September 12, 1968) is a Japanese politician of the Liberal Democratic Party, a member of the House of Representatives in the Diet (national legislature). A native of Kamakura, Kanagawa, he graduated from Yamaguchi University and received a Ph.D in veterinary medicine from the University of Tokyo. After working as a veterinarian, he was elected to the House of Representatives for the first time in 2003.