Riichirō Manabe (真鍋理一郎 Manabe Riichirō?) (November 9, 1924 – January 29, 2015) was a Japanese composer. He wrote scores for numerous science fiction, horror, and kaiju films, drawing from jazz and dissonant modernism. His scores, particularly the ones he is most famous for in the 1970s, utilize electric guitar, pipe organ, the piccolo, the keyboard synthesizer, and the vibraslap heavily.