Doctor Ross （October 21, 1925 – May 28, 1993），also known as Doctor Ross the Harmonica Boss, born Charles Isaiah Ross in Tunica, Mississippi, was an American blues singer, guitarist, harmonica player and drummer. 　　Ross's blues style has been compared to that of John Lee Hooker and Sonny Boy Williamson. His recordings for Sun Records in the 1950s include "The Boogie Disease" and "Chicago Breakdown".