The 2021 Hankook 12 Hours of Hungary was an endurance sports car race which took place on 2 and 3 October 2021. This was the 7th edition of the 12 Hours of Hungary. It was the sixth round of the 2021 24H GT and TCE Series. The event replaced the 2021 edition of the Coppa Florio on the 24H Series calendar.
16 cars were entered into the event; 11 GT cars and 5 TCEs.
Fastest in class in bold.
Class winner in bold.
Class winner in bold.