The 2016 FIA WRC3 Championship was the fourth season of WRC3, a rallying championship organised and governed by the Fédération Internationale de l'Automobile, ran in support of the World Rally Championship. It was created when the Group R class of rally car was introduced in 2013. The Championship was composed of fourteen rallies, and drivers and teams had to nominate a maximum of six events. The best five results counted towards the championship.
Quentin Gilbert was the defending champion, as he won the 2015 title.
Points are awarded to the top ten classified finishers.