Zachary Charles Monroe (born July 8, 1931) is an American former professional baseball pitcher who appeared in parts of two seasons in Major League Baseball (1958–1959) with the New York Yankees, and was a member of their 1958 World Series champions. The native of Peoria, Illinois, is an alumnus of Bradley University. He was listed as 6 feet (1.8 m) tall and 198 pounds (90 kg), and threw and batted right-handed.