Lei Liang (born November 28, 1972, Tianjin, China) is a Chinese-born American composer, living in San Diego, California. He is an Associate Professor of Music at the University of California, San Diego. Liang is the son of musicologists Liang Mao-chun (b. 1940) and Cai Liang-yu (b. 1940) and studied piano as a child.