An American composer, arranger, and conductor, John T. Warrington (1911–1978) was a prominent figure in jazz and popular music during the mid-20th century. He was renowned for his prolific output of arrangements for big bands, often contributing to the sounds of Glenn Miller, Tommy Dorsey, and Benny Goodman. Warrington's work significantly shaped the orchestral jazz landscape, making him a sought-after arranger for various ensembles and recordings.