Theo Crocker (born Theodore Lee Croker in in Leesburg, Florida, on 18 July 1985) is an American jazz trumpeter, composer, arranger and vocalist. As the grandson of Doc Cheatham, Crocker's legacy is felt when he plays. In the spring of 2006, Crocker received the Presser Music Foundation Award. With this grant, Theo recorded his first album The Fundamentals in New York City with his band The Theo Croker Sextet. The album includes 10 tunes all of which Crocker composed and arranged.