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 I. His recordings for Sun Records in the 1950s include “The Boogie Disease” and “Chicago Breakdown”. Within the lyrics of “The Boogie Disease”, Ross notably sang “I may get better / but I’ll never get well”.

In 1951 Ross’s records began to get airplay in Mississippi and Arkansas. He recorded with Chess Records and Sun with a group that included folk instruments, such as the washboard.