George Glinatsis (born June 29, 1969) is a former Major League Baseball player who pitched briefly for the Seattle Mariners in 1994. He started two games for the Mariners and finished the season 0–1. Glinatsis attended Boardman High School in Boardman, Ohio where he played baseball and basketball. He played college baseball for the University of Cincinnati. He was selected by the Mariners in the 32nd round of the 1991 Major League Baseball draft.