Roberto Petito (born 1 February 1971) is an Italian former professional road bicycle racer. Petito was born in Civitavecchia. His most important win came in 1997, when he won the Tirreno–Adriatico. He has also finished in the top five in classics such as the Tour of Flanders or Paris–Roubaix, as well as the overall in the 2006 edition of the Four Days of Dunkirk.