James George Hunter (August 19, 1918 – May 28, 1996), known professionally as Jimmy Rowles(sometimes spelled Jimmie Rowles), was an American jazz pianist, vocalist, and composer. As a bandleader and accompanist, he explored multiple styles including swing and cool jazz.

Rowles was born in Spokane, Washington, United States, and attended Gonzaga University in that city. After moving to Los Angeles, he joined Lester Young‘s group in 1942. He also worked with Benny Goodman, Woody Herman, Les Brown, Tommy Dorsey, and Tony Bennett, and as a studio musician.