Rafael de Mattos Andriato (born 20 October 1987) is a Brazilian former professional road bicycle racer, who competed as a professional between 2012 and 2022.

Born in São Paulo, Andriato has competed as a professional since the start of the 2012 season, joining the Farnese Vini–Selle Italia team from the Petroli-Firenze squad. In May 2012, Andriato took his first victory for the team, by winning the Jurmala GP in Latvia. He only competed in one Grand Tour in his entire career, the 2013 Giro d'Italia, but in that race he won the intermediate sprints competition as well as the Premio della Fuga, which was a competition for the most active breakaway riders.