The 2015 World Series by Renault was the 11th season of Renault Sport's series of events, with three different championships racing under one banner. Consisting of the Formula Renault 3.5 Series, Eurocup Formula Renault 2.0 and Renault Sport Trophy, the World Series by Renault ran at seven different venues where fans could get into the meetings for no cost whatsoever, such is the uniqueness of the series. It was the first season with Renault Sport Trophy.[1]