Gilberto Simoni (born 25 August 1971 in Palù di Giovo, Trentino) is an Italian former professional road bicycle racer, most recently for . Simoni is twice winner of the Giro d'Italia cycling race (2001 and 2003 editions). Simoni might have won a third Giro, but in 2002 he tested positive for cocaine and was withdrawn from the race by his Saeco team – he was later cleared of any doping violation by the Italian Cycling Federation. Aside from this incident in 2002 he finished on the podium in every other Giro between 1999 and 2006.