Dennis "Mo" Layton (born December 24, 1948) is a retired American professional basketball player.A 6'1" point guard from USC, Layton played five seasons (1971–1974, 1976–1978) in the National Basketball Association and American Basketball Association. His most productive season was his rookie year in 1972–73 with the Phoenix Suns, when he averaged 9.1 points, 3.1 assists and 2.1 rebounds in 23.1 minutes a game.