Stephen Thomas Bilko (November 13, 1928 – March 7, 1978) was an American professional baseball player known for his home run hitting as a minor leaguer during the 1950s. He was 20 years old when he broke into Major League Baseball on September 22, 1949, with the St. Louis Cardinals. Bilko threw and batted right-handed; he was listed as 6 ft 1 in (1.85 m) tall, and 230 lb (100 kg), and was nicknamed "Stout Steve" during his career because of his ample girth.