Giancarlo Polidori (born 30 October 1943 in Sassoferrato, Italy) is a former Italian professional road bicycle racer.
His career highlights include stage wins in Tirreno–Adriatico, the Giro d'Italia and the Tour de Romandie as well as wins in the one-day Italian semi-classics the Giro del Lazio, GP Montelupo, Tre Valli Varesine, the Giro di Toscane, the Trofeo Melinda and the Sassari-Cagliari.
In addition he wore the yellow jersey as leader of the general classification for one day in the 1967 Tour de France.