William Womble Harrington (born October 3, 1927) is an American former professional baseball player. A pitcher, he appeared in 58 games played (all but two in relief) for the Philadelphia and Kansas City Athletics of Major League Baseball during the 1953, 1955 and 1956 seasons. He threw and batted right-handed, stood 5 feet 11 inches (1.80 m) tall and weighed 160 pounds (73 kg).