The Panoz LMP-1 Roadster-S was a Le Mans Prototype built for Panoz in 1999. The car was a successor to the Esperante GTR-1 which had competed in the Grand Tourer categories internationally. Following competition in the American Le Mans Series and at the 24 Hours of Le Mans until 2001, the car was replaced by the Panoz LMP07.

Panoz is an American manufacturer of luxury sports automobiles founded in 1989 as Panoz Auto Development by Dan Panoz, son of Don Panoz. The company has also been extensively involved in professional racing, and designs, engineers and builds its own race cars. Panoz products have included the Panoz Roadster and AIV Roadster, the Panoz Esperante, and the Panoz Avezzano.