Hikaru Hayashi (林 光, Hayashi Hikaru, October 22, 1931 – January 5, 2012) was a Japanese composer, pianist and conductor. Hayashi is considered to be one of the most renowned and accomplished Japanese composers of the postwar period. In particular, Hayashi was noted for his choral suite Scenes from Hiroshima (1958–2001). In 1998 Hayashi won the 30th Suntory Music Award.