The Rebellion R13 is a sports prototype racing car built by French constructor Oreca on behalf of Swiss-based team Rebellion Racing. It is a variation of the Oreca 07, created to compete in the LMP1 class. It would later be renamed by Alpine to Alpine A480 when it was rebadged to run as a grandfathered into the Hypercar class in 2021 and 2022.

ORECA is a French racing team and race car constructor, founded in 1973 and run by Hugues de Chaunac, former team manager of F1 team AGS. Oreca has had success in many areas of motorsport. Since the early 1990s the team has concentrated on running sports cars and GT cars.