Joseph Geoffrey Moock (born March 12, 1944) is an American former professional baseball infielder who appeared in 13 games as a third baseman and pinch hitter in the Major Leagues for the New York Mets in 1967. Born in Plaquemine, Louisiana, he batted left-handed and threw right-handed, stood 6 feet 1 inch (1.85 m) tall and weighed 180 pounds (82 kg). Returning to the minor leagues for more playing time in 1968, he was acquired by the expansion Montreal Expos in 1969, but was never recalled to the majors. Moock retired after the 1970 minor-league season.