The 2021 8 Hours of Bahrain was an endurance sportscar racing event held on 6 November 2021, as the sixth and final round of the 2021 FIA World Endurance Championship.

It was the tenth running of the 8 Hours of Bahrain, and the third running in an extended 8 hours format.

Pole position winners in each class are marked in bold.

[1] The minimum number of laps for classification (70% of the overall winning car's distance) was 172 laps.

Class winners are denoted in bold and ‡.