Masato Uchida (内田 勝人 Uchida Masato, September 21, 1940, Tokyo, Japan – December 30, 1997 in Tokyo, Japan) was a Japanese composer of contemporary classical music.
Masato Uchida studied at the Tokyo University of the Arts under Tomojirō Ikenouchi, Akio Yashiro and Akira Miyoshi and continued his studies from 1965 at the Conservatoire de Paris under André Jolivet, Henri Dutilleux and Simone Plé-Caussade. In 1968 Masato Uchida returned to the Tokyo University of the Arts and graduated in 1971. During his last study years he founded the composer group “whitecap” (jap. 白波) together with Shigeaki Saegusa, Shin-ichiro Ikebe and Norio Fukushi.
After his graduation Masato Uchida worked as a composer and teacher. He became professor at the Tokyo Junshin Women's College, later also at the Tokyo University of the Arts and the Kyoto City University of Arts. From the 1970s he was also a member of the Victor Music Classroom Project, a Japanese organization which was part of the Victor Company of Japan and specialized in teaching children to play piano on the JVC keyboards. Masato Uchida composed several compositions for piano student for this project. In 1990 he became the director of the then called Victor Technics Music School and worked as a consultant until his death.