Masako Katsuki (勝生真沙子 Katsuki Masako ) is a Japanese voice actress who was born in Hachinohe, Aomori. Formerly from Theater Echo, she is now employed by 81 Produce.
Following her debut in Shiroi Kiba: White Fang Monotagari as the role of Mary Scott, Katsuki has lent her voice to several notable anime, Japanese-dubbed films and tv series, games, drama CDs, narration, and commercials. Some of Katsuki's best known roles are Maria von Trapp (Trapp Family Story), Reccoa Londe (Zeta Gundam), Maya Kitajima (Glass Mask), Masuyo Ikari (High School! Kimengumi), Michiru Kaioh/Sailor Neptune (Sailor Moon series), and Tsunade (Naruto).