The 2021 Hankook 24 Hours of Sebring was the first running of the , an endurance race taking place at the Sebring International Raceway on 20 and 21 November 2021. It was the final round of the 2021 24H GT and TCE Series. The race was won by Michael Doppelmayr, Swen Herberger, Pierre Kaffer and Markus Winkelhock in the #18 Rutronik Racing by TECE Audi R8 LMS Evo.