Yutaka Yamaguchi (?? ?, Yamaguchi Yutaka, born 11 December 1940) serves as a member of the Group of Thirty, an international body of leading financiers and academics.
He is a former Vice Governor of the Bank of Japan (????), and was promoted to the position in 1998, following 34 years of continuous service.
He earned a degree in economics from the University of Tokyo in 1964.