The 2018 Le Mans Cup, known as the 2018 Michelin Le Mans Cup under sponsorship, was the third season of the Le Mans Cup.
It began on 12 May at the Autodromo Nazionale Monza and finished on 27 October at the Algarve International Circuit.
The series was open to Le Mans Prototypes in the LMP3 class, and grand tourer sports cars in the GT3 class.
All races supported the 2018 European Le Mans Series except the Le Mans round, which was part of the 24 Hours of Le Mans weekend.
Points are awarded according to the following structure (except Le Mans): For Le Mans: Bold – Pole