The 2012 Monza GP2 series round and the 2012 Monza GP3 Series round were a group of motor races held at the Autodromo Nazionale Monza near Monza in Italy for the GP2 and GP3 Series championships. The races, which were run on 8 and 9 September, was in support of the Italian Formula One Grand Prix. The GP2 races formed the eleventh round of the 2012 GP2 championship, while the GP3 races were the eighth and final round of the 2012 GP3 season.