(Jap. Nihon Ongaku-gakkai).
Society founded in 1952 by Yoshiyuki Kato. It was formerly known as the Japanese Musicological Society. It endeavours to improve communication among musicological scholars in Japan and contributes to the development of musicology there. Its membership in 1995 was about 1330. In 1954 the society founded a journal, Ongakugaku (Journal of the Musicological Society of Japan), issued three times a year.