The 2021 Petit Le Mans (known as the 2021 MOTUL Petit Le Mans for sponsorship reasons) was the 24th running of the Petit Le Mans, and was held on November 13, 2021. It was the 12th and final race in the 2021 IMSA SportsCar Championship, and the 4th race of the 2021 Michelin Endurance Cup. The race was be held at Road Atlanta in Braselton, Georgia. This race was the last ever race for the GTLM Class.