The 80th 24 Hours of Le Mans (French: 80e 24 Heures du Mans) was an 24-hour automobile endurance race for Le Mans Prototype and Le Mans Grand Touring Endurance cars held from 16 to 17 June 2012 at the Circuit de la Sarthe close to Le Mans, France before 240,000 spectators. It was the 80th running of the event, as organised by the automotive group, the Automobile Club de l'Ouest (ACO) since 1923. The race was the third round of the 2012 FIA World Endurance Championship, with 30 of the race's 56 entries contesting the championship. A test day was held two weeks prior to the race on 3 June.