Robert Lockwood, Jr., also known as Robert Junior Lockwood, (March 27, 1915 – November 21, 2006) was an American Delta blues guitarist, who recorded for Chess Records among other Chicago labels in the 1950s and 1960s. The only direct student of Robert Johnson, he is well known as a longtime collaborator with Sonny Boy Williamson II and for his work in the mid-1950s with Little Walter.