The 2018 Tour de Corse was a motor racing event for rally cars that was held over four days between 5 and 8 April 2018. It marked the sixty-first running of the Tour de Corse and the fourth round of the 2018 World Rally Championship and its support categories, the WRC-2 and WRC-3 championships. It was also the second round of the Junior World Rally Championship. The event was based in the town of Bastia in Corsica, and was contested over twelve special stages totalling a competitive distance of 333.48 km (207.21 mi).

The Tour de Corse is a rally first held in 1956 on the island of Corsica. It was the French round of the World Rally Championship from the inaugural 1973 season until 2008, was part of the Intercontinental Rally Challenge from 2011 to 2012, and finally returned to WRC in 2015. The name "Tour de Corse" refers to the fact that in the early days it was run around the island; nowadays it only features roads around Ajaccio. The rally is held on asphalt roads, and is known as the "Ten Thousand Turns Rally" because of the twisty mountain roads.