The 2023 Spa-Francorchamps Formula 3 round was a motor racing event held between 28 and 30 July 2023 at the Circuit de Spa-Francorchamps, Stavelot, Belgium.

It was the penultimate race of the 2023 FIA Formula 3 Championship, and was held in support of the 2023 Belgian Grand Prix.

Prior to the round at the Spa-Francorchamps, Rodin Carlin announced that Euroformula Open racer Francesco Simonazzi had taken over Max Esterson's seat for the rest of the season.

[1] Notes: No points were awarded after this race as there was no two consecutive laps under green flag.

[7] However, prior to the evening full points were awarded to all drivers, who finished in top 10 as all 12 racing laps were completed.