George Thomas Perez (born December 29, 1937) is an American former professional baseball pitcher who appeared in four games, all in relief, in Major League Baseball for the 1958 Pittsburgh Pirates. The native of San Fernando, California, threw and batted right-handed, stood 6 feet 2 inches (1.88 m) tall and weighed 200 pounds (91 kg). Perez returned to the minors after his final appearance for Pittsburgh against the Giants on May 6, and stayed in the game into the 1961 campaign.