Gregory Steven Moore (born July 6, 1977 in Long Beach, California) is an American college baseball coach and former catcher and pitcher. Moore is the head baseball coach at Saint Mary's College of California. Moore played college baseball at Long Beach City College and the University of San Francisco. He served as head coach of the Cal State Northridge Matadors baseball team from 2014 to 2019. On June 15, 2019, Moore was hired as the head coach of the Saint Mary's.