Tadashi Inuzuka (犬塚 直史, Inuzuka Tadashi, born September 28, 1954) is a Japanese politician of the Democratic Party of Japan, a former Senator in the House of Councillors of the Diet (national legislature). A native of Tokyo, he graduated from Rikkyo University and received a master's degree from the University of Dallas in the United States. He was elected for the first time in 2004 from his Nagasaki constituency.