Makoto Moroi (諸井 誠, Moroi Makoto) (17 December 1930 – 2 September 2013) was a Japanese composer.
He studied composition with Tomojirō Ikenouchi at the Tokyo National University of Fine Arts and Music, graduating in 1952.
He also studied Gregorian chant privately with Paul Anouilh, and Renaissance and Baroque music with Eta Harich-Schneider.
He was one of the leading composers who introduced Japanese audiences to new musical styles and devices, including twelve-tone technique, serialism, and aleatory music.
[1] He was one of the first Japanese composers to embrace electronic music, and also introduced traditional Japanese instruments like the shakuhachi into his compositions.