Gregory S. Rayl (pronounced "rail", born November 20, 1963) is an American professional stock car racing driver and crew chief. He last competed part-time in the NASCAR Gander Outdoors Truck Series, driving the No. 0 Chevrolet Silverado for Jennifer Jo Cobb Racing and the No. 32 Toyota Tundra for Reaume Brothers Racing. He has 32 career starts in the NASCAR K&N Pro Series West, most of which came as an owner-driver for GSR Racing.