2018 Australian Formula 4 Championship

The 2018 CAMS Australian Formula 4 Championship (initially known for sponsorship purposes as the CAMS Jayco Australian Formula 4 Championship and later as the CAMS Payce Australian Formula 4 Championship) was the fourth Australian Formula 4 Championship, a motor racing competition for open-wheel racing cars complying with Formula 4 regulations, which were created by the Fédération Internationale de l'Automobile (FIA) for entry-level open-wheel championships. Teams and drivers competed in twenty-one races at six venues, starting on 7 April and ending on 4 November. The championship was won by Jayden Ojeda.

Entries
The following drivers contested the championship. The following Australian-registered teams and drivers contested the championship. Each entry utilised a Mygale M14-F4 chassis and a Ford engine.

Calendar
The 2018 championship was held across seven rounds in Australia and New Zealand, supporting the Supercars Championship and the Shannons Nationals.

Calendar changes

 * The championship visited New Zealand for the first time, with the final round of the championship to be held at Pukekohe Park Raceway.
 * The championship made its debut at Winton Motor Raceway.
 * The championship returned to Symmons Plains Raceway after a one-year absence.
 * The Sandown, Barbagallo and Surfers Paradise rounds were discontinued.

Points system
Championship points were awarded in each race as follows: