The 2023 Formula 4 CEZ Championship, known as 2023 ACCR Czech Formula prior to the FIA certification in May, was the first season of the Formula 4 CEZ Championship, a motor racing series for the Central Europe regulated according to FIA Formula 4 regulations, and organised and promoted by the Automobile Club of the Czech Republic (ACCR), Krenek Motorsport and HM Sports.
[1] It commenced on 29 April at Hungaroring in Hungary and concluded on 8 October at Balaton Park Circuit in the same country.
[2] The provisional calendar featuring six round across five countries was published on 3 November 2022.
[15] All rounds, except for the Slovakiaring one supporting the European Truck Racing Championship, are a part of the ESET Cup package.
[16] The first round at Motorsport Arena Oschersleben on 8–9 April was cancelled and replaced by a standalone event at Balaton Park on 7–8 October.