2023 Formula 4 CEZ Championship

The 2023 Formula 4 CEZ Championship, known as 2023 ACCR Czech Formula prior to the FIA certification in May, is 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.

It commenced on 29 April at Hungaroring in Hungary and will conclude on 8 October at Balaton Park Circuit in the same country.

Teams and drivers

 * William Karlsson was scheduled to compete with Renauer Motorsport but switched to the Eurocup-3 series before the start of the season.
 * Karhan was initially supposed to race for the JMT Racing but due to the belated delivery of the car, he switched to Jenzer Motorsport for the round 4.

Race calendar and results
The provisional calendar featuring six round across five countries was published on 3 November 2022. All rounds, except for the Slovakiaring one supporting the European Truck Racing Championship, are a part of the ESET Cup package. 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.

Championship standings
Points are awarded to the top 10 classified finishers in each race. No points are awarded for pole position or fastest lap.

Drivers' standings

 * † – Driver did not finish the race, but was classified as they completed over 75% of the race distance.