The 2021 24H GT Series powered by Hankook was the seventh season of the 24H Series with drivers battling for championship points and titles and the twelfth season since Creventic, the organiser and promoter of the series, organised multiple races a year.
Bold – Pole Italics – Fastest Lap † – Drivers did not finish the race, but were classified as they completed over 60% of the class winner's race distance.
† – Drivers did not finish the race, but were classified as they completed over 60% of the class winner's race distance.
† – Drivers did not finish the race, but were classified as they completed over 60% of the class winner's race distance.
† – Drivers did not finish the race, but were classified as they completed over 60% of the class winner's race distance.