The 2023 FIA Formula 2 Championship was a motor racing championship for Formula 2 cars sanctioned by the Fédération Internationale de l'Automobile (FIA). The championship was the fifty-seventh season of Formula 2 racing and the seventh season run under the FIA Formula 2 Championship moniker. It was an open-wheel racing category serving as the second tier of formula racing in the FIA Global Pathway. The category was run in support of selected rounds of the 2023 Formula One World Championship. As the championship was a spec series, all teams and drivers competing in the championship ran the same car, the Dallara F2 2018.