Atsutada Otaka (尾高 惇忠; 10 March 1944 – 16 February 2021) was a Japanese composer and musicologist. He studied at the Tokyo University of the Arts with Tomojirō Ikenouchi, Akio Yashiro, and Akira Miyoshi. After studying in Paris, he became a professor at the Tokyo University of the Arts. He has written works for various genres. Some of his works have been recorded on CD and are also known in countries outside of Japan. Otaka died on 16 February 2021, aged 76 years.