Katsuyoshi Yatabe (谷田部 勝義) is a Japanese screenwriter and director born July 11, 1956 in Tokyo, Japan.

After graduating he joined the Department of Arts at Nihon Daigaku in 1975. In 1978 he joined Ad Cosmo but felt that as subcontrctractor there would be no real productions done and thus went on to join Sunrise in 1979. There he learned under Yoshiyuki Tomino and Ryousuke Takahashi before becoming freelancer.