Frank J. Sims (February 18, 1921 – January 23, 2015) was an American baseball broadcaster. Born in 1921, Sims served with the American Army Air Forces during World War II as a B-17 bomber pilot. At one point he was shot down and taken as a prisoner of war by the Germans. He joined the Philadelphia Phillies broadcasting team in 1960, replacing Gene Kelly alongside Byrum Saam and . He remained there through 1962. With the San Diego Padres, he worked alongside Duke Snider and . He also worked for the Detroit Tigers, Los Angeles Dodgers, Los Angeles Angels and Albuquerque Dukes.