2021 Drexler-Automotive Formula 3 Cup

The 2021 Drexler-Automotive Formula 3 Cup was the 40th Austria Formula 3 Cup season and the third Drexler-Automotive Formula 3 Cup season.

Teams and drivers
All Cup cars were built before 2018, Trophy cars were built between 1990 and 2007, and Open class have more powerful engines.

Race calendar and results
Round 5 was originally to be held at the Autodromo Enzo e Dino Ferrari, Imola between 16-18 July, but was cancelled by the organiser.

Championship standings
Standings for all competitions are shown below. There was no RAVENOL Formel 3 Cup classification for German drivers for this season.