2018 WRC3 Championship

The 2018 FIA WRC3 Championship was the sixth season of WRC3, a rallying championship organised and governed by the Fédération Internationale de l'Automobile, running in support of the World Rally Championship. It was created when the Group R class of rally car was introduced in 2013.

Nil Solans and Miquel Ibáñez were the reigning drivers' and co-drivers' champions, while ADAC Sachsen were the defending teams' champions. Enrico Brazzoli and Luca Beltrame won the drivers' and co-drivers' championships. ACI Team Italia won the teams' title.

The 2018 WRC3 season was the final season of the championship for two-wheel drive cars and it was cancelled by the FIA after the 2018 season, however it was revived in 2020 with a new set of regulations for four-wheel drive Group Rally2 cars.

Scoring system
Points were awarded to the top ten classified finishers in each event. Six best results counted towards championship.