KUSC (91.5 FM) is a listener-supported classical music radio station broadcasting from downtown Los Angeles, California, United States. KUSC is owned and operated by the University of Southern California, which also operates student-run Internet station KXSC (AM) and San Francisco's classical station KDFC. It is the largest non-profit classical music station in the country and one of the two classical music stations in the Greater Los Angeles Area, KUSC and KMZT-AM.