The XXIII (23rd) Reims Grand Prix (also known as the II Grand Prix de Reims), was a non-championship Formula One motor race, held on July 14, 1957, at the Reims-Gueux circuit, near Reims in France. The race was run over 61 laps on an 8.302 km circuit of public roads and was won by Italian driver Luigi Musso in a Lancia-Ferrari D50. The race weekend suffered the deaths of Bill Whitehouse and Herbert MacKay-Fraser in separate accidents during the 1st Coupe de Vitesse Formula 2 support race.