Glenn E. "Smiles" Mosley is an American former professional basketball player for the Philadelphia 76ers and San Antonio Spurs of the National Basketball Association (NBA). Mosley played in the league for just the 1977–78 and 1978–79 seasons and averaged 3.1 points 2.2 rebounds per game. Mosley also played for part of one season in the Continental Basketball Association for the Lancaster Red Roses in 1978, and after his NBA career he played abroad in Italy, France and Argentina. While playing for CSP Limoges in France, Mosley won the Ligue Nationale de Basketball and Korać Cup in 1983.