The 2004 Le Mans Endurance Series season was the first season of ACO's Le Mans Endurance Series. It is a series for Le Mans prototype and Grand Touring style cars broken into 4 classes: LMP1, LMP2, GTS, and GT. It began on 9 May 2004 and ended on 13 November 2004 after 4 rounds.
This season was preceded by the 1000km of Le Mans held in 2003 as a development race for the creation of the LMES.
Overall winner in bold.
Points are awarded to the top 8 finishers in the order of 10-8-6-5-4-3-2-1. Teams with multiple entries do not have their cars combined, each entry number is scored separately in the championship. Cars failing to complete 70% of the winner's distance are not awarded points.
† - Half points were awarded due to a lack of competitors.