The Jazz Orchestra of The Delta is a 17 piece concert jazz orchestra based primarily out of Memphis, Tennessee. The group was founded in 1998 and had their first CD release in 2003, Big Band Reflections of Cole Porter on Summit Records featuring vocalist Sandra Dudley and jazz trumpeter Marvin Stamm which received numerous reviews and four out of five stars in Allmusic Guide. Their recording is also included as the third CD in the three disc box set, the Memphis Jazz Box.

The group features studio musicians in the Mid-South region (Memphis and Nashville) of the United States and has performed numerous concerts to include artistic collaborations with the Memphis Symphony, Ballet Memphis, and Mahogony jazz artist Kathy Kosins. The group primarily features the music of composer/arranger Jack Cooper, who is the musical director and co-founder of the JOD.