The 2013 WEC 6 Hours of Spa-Francorchamps was an endurance race held at Circuit de Spa-Francorchamps, Belgium on 3—4 May 2013, and the annual running of the 6 Hours of Spa-Francorchamps. It was the second round of the 2013 FIA World Endurance Championship season. Defending World Champions André Lotterer, Benoît Tréluyer and Marcel Fässler led a clean sweep of the overall race podium for Audi, while Pecom Racing were victorious in the LMP2 category. The No. 51 car of AF Corse won the LMGTE Pro class, and 8 Star Motorsports won in LMGTE Am.