Gilbert Heredia (born October 26, 1965) is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the San Francisco Giants, Montreal Expos, Texas Rangers, and Oakland Athletics from 1991 through 2001. Heredia batted right-handed, and threw right-handed. He was born in Nogales, Arizona and attended Nogales High School. He then attended Pima Community College, and later the University of Arizona. He spent five seasons (1987–1991) in the San Francisco Giants minor league organization before being promoted to their Major League roster in 1991.