Romain Maes (pronounced [ʁɔ.mɛ̃ maːs]; 10 August 1913 – 22 February 1983) was a Belgian cyclist who won the 1935 Tour de France after wearing the yellow jersey of leadership from beginning to end. Maes was the 13th child in his family. He started racing when he was 17. He turned professional in 1933 and won the Omloop van het Westen (Tour of the West). The following year he started the Tour de France and twice finished stages in second place. He then crashed on the day from Digne to Nice and left the race in an ambulance.