Ernest Lawrence "Ernie" Fields (August 28, 1904 – May 11, 1997) was an African American trombonist, pianist, arranger and bandleader. He first became known for leading the Royal Entertainers, which were based in Tulsa, Oklahoma, and toured along a circuit stretching from Kansas City, Kansas, to Dallas, Texas. In later years he led a band that recorded in Los Angeles. Fields was born in Nacogdoches, Texas and was raised in Taft, Oklahoma. He attended Tuskegee Institute and then moved to Tulsa.