James Thompson "Tommy" Prothro, Jr. (July 20, 1920 – May 14, 1995) was an American football coach at both the collegiate and professional levels for more than 30 years.
Prothro, a native of Memphis, Tennessee, was the son of major league baseball player and manager Doc Prothro, who played for three teams between 1920 and 1926, then managed the Philadelphia Phillies from 1939-1941 before buying a minor league team in Memphis called the Chicks.
His uncle, Clifton Cates, was commandant of the United States Marine Corps.