The 2009 Formula Renault 3.5 Series was the fifth Formula Renault 3.5 Series season. It began on 18 April at the Circuit de Catalunya and finished on 25 October at the brand-new Ciudad del Motor de Aragón in Alcañiz. It was the fifth season of the Renault-backed single-seater category. International DracoRacing driver Bertrand Baguette won the championship by a comfortable margin, having dominated the second half of the season. His team won their respective championship, ahead of Carlin Motorsport.