The GT World Challenge Europe Endurance Cup, formerly for sponsorship reasons the Blancpain Endurance Series from 2011 to 2015 and Blancpain GT Series Endurance Cup from 2016 to 2019, is a sports car racing series developed by SRO Motorsports Group and the Royal Automobile Club of Belgium (RACB) with approval from the Fédération Internationale de l'Automobile (FIA).

The series's goal is to be an endurance racing championship for GT3 cars, similar to the FIA World Endurance Championship which were using GTE cars and Le Mans Prototypes (now GT3 and Le Mans Hypercars).

In 2019, SRO announced that their sponsorship deal with Blancpain had been discontinued and the series was renamed the GT World Challenge Europe Endurance Cup for the 2020 season.

The GT World Challenge Europe Endurance Cup reestablishes several elements of the former FIA GT Championship, with three hour endurance races held on European circuits such as Monza and Silverstone, as well as a continuation of the Spa 24 Hours.

The FIA's ranking system for drivers is utilized in determining what class each entry is eligible for.