2026 Formula One World Championship

The 2026 FIA Formula One World Championship is a planned motor racing championship for Formula One cars set to be the 77th running of the Formula One World Championship. It is recognised by the Fédération Internationale de l'Automobile (FIA), the governing body of international motorsport, as the highest class of competition for open-wheel racing cars. The championship is set to be contested over several Grands Prix held around the world. Drivers and teams are scheduled to compete for the titles of World Drivers' Champion and World Constructors' Champion respectively.

The 2026 season will feature a major set of regulation changes with a revised power unit configuration and new active aerodynamics. Two new power unit manufacturers will enter the sport: Ford will return to the sport for the first time since, supplying Red Bull Racing and RB, while Audi, who acquired Sauber in , will enter as a works team.

Entries
The following constructors and drivers are under contract to compete in the 2026 World Championship. All teams are due to compete with tyres supplied by Pirelli. Each team is required to enter at least two drivers, one for each of the two mandatory cars.

Team changes
Two new engine manufacturers will enter Formula One, coinciding with the engine regulation changes. Audi will enter the sport for the first time, having purchased the existing Sauber team in. The team will race in the 2024 and seasons as Kick Sauber, using Ferrari engines, before becoming the Audi factory team for 2026. As a result, Haas will become the only Ferrari customer team.

Ford will return to Formula One as an engine supplier for the first time since it provided engines for Jaguar, Jordan and Minardi, the last as Cosworth, in. It will form a partnership with Red Bull Powertrains, which will supply Red Bull Racing and their second team RB. Honda, which partially withdrew from Formula One in whilst remaining in the sport as partners to Red Bull Powertrains, will split from the two Red Bull-owned teams and relaunch a fully-fledged engine program starting with Aston Martin under the Honda Racing Corporation banner. Aston Martin had used Mercedes power units since Aston Martin rejoined the sport, with Mercedes having supplied engines to Aston Martin's predecessors since. Honda had previously collaborated with Aston Martin's predecessor Jordan from to.

List of planned Grands Prix
The following seventeen Grands Prix are contracted to be held in 2026:

The following eight Grands Prix are contracted for 2025, but do not have a contract for 2026:

Calendar changes
The Spanish Grand Prix will move from the Circuit de Barcelona-Catalunya in Montmeló to a new street circuit in Madrid built around the IFEMA Exhibition Centre, with the former track's future being unknown due to its own coinciding contract for 2026.

Power units
New power unit regulations are due to be introduced for the 2026 season. The new power units will still produce over 1000 bhp, although the power will come from different sources. The engine regulations will see the turbocharged 1.6 V6 internal combustion engine configuration used since retained. However, the MGU-H (Motor Generator Unit – Heat), which has also been in use since 2014, will be banned, while the MGU-K (Motor Generator Unit – Kinetic) output will increase to 350 kW from 120 kW. The power output of the internal combustion part of the power unit will decrease to 400 kW from 850 bhp. In addition, fuel flow rates will be measured and limited based on energy, rather than mass of the fuel itself. The power units will use a fully sustainable fuel being developed by Formula One. The power units are expected to recover twice as much electrical energy as before.

Car size and aerodynamics
On 6 June 2024, the 2026 car concept was revealed. The concept featured new active aerodynamics in both the front and rear wings. The concept saw the elimination of the drag reduction system, being replaced by a new manual override engine mode. The wheelbase was reduced from 360 cm to 340 cm, the width was reduced from 200 cm to 190 cm, and the minimum mass was reduced by 30 kg. The tyres' widths will also be reduced by 2.5 cm on the front pair and by 3.0 cm on the rears. The floor will have reduced ground effect to ease the issues cars have suffered with porpoising.