Jimmy Dorsey (1904-1957) was an American bandleader, saxophonist, conductor, songwriter and composer.

Through the 1920s he was a saxophonist in orchestras including those of Paul Whiteman, Red Nichols, and the California Ramblers. He formed an orchestra with his brother Tommy lasting from 1933 to 1935. He led his own orchestra before rejoining Tommy's orchestra in 1953 and taking over the orchestra after Tommy's death.