Charles L. Cooke (September 3, 1891 – December 25, 1958), known as Doc Cook, was an American jazz bandleader and arranger. Cook was a Doctor of Music, awarded by the Chicago Musical College in 1926. Born in Louisville, he first worked as a composer and arranger in Detroit before moving to Chicago around 1910. Cook became resident leader of the orchestra at 's Dreamland Ballroom in Chicago from 1922 to 1927, acting as conductor and musical director.