Willie D. Warren (September 11, 1924 – December 30, 2000) was an American electric blues guitarist, bass player and singer. In a long career, he worked with Otis Rush, Al Benson, Little Sonny Cooper, David Honeyboy Edwards, Baby Boy Warren, Guitar Slim, Freddie King, Jimmy Reed, Morris Pejoe, Bobo Jenkins and Jim McCarty. One of Warren's better-known recordings was "Baby Likes to Boogie".
He was described by the Allmusic journalist Michael G. Nastos as "one of the Midwest's true blues treasures".