Frank William Gustine (February 20, 1920 – April 1, 1991) was an American Major League Baseball player who appeared in three All-Star Games during his 12-season (1939–50) MLB career. He spent the bulk of his tenure (1,176 games played) with the Pittsburgh Pirates, though he also played a season for the Chicago Cubs and played the last nine games of his career with the 1950 St. Louis Browns. He also was a coach for the latter two months of that season for the Pirates. The native of Hoopeston, Illinois, threw and batted right-handed. He stood 6 feet (1.8 m) tall and weighed 175 pounds (79 kg).