Robert L. King (January 29, 1941 – July 22, 1983) was an American Chicago blues guitarist, singer and songwriter. King worked with Hank Ballard and the Midnighters, Bobby Bland, Lee "Shot" Williams, Eddy Clearwater, Freddie King, Lonnie Johnson, The Aces and Sonny Thompson. Although he may be better remembered as a session musician, between 1962 and 1975, King recorded four singles and one album.
Following a violent altercation in a Chicago nightclub, King died from his injuries at the age of 42.