The 2012 Silverstone GP2 Series round and the 2012 Silverstone GP3 Series round was a group of motor races held at the Silverstone Circuit in Great Britain for the GP2 and GP3 Series championships. The races, held on 7 and 8 July, were in support of the British Formula One Grand Prix. The GP2 races were the seventh round of the 2012 GP2 championship, while the GP3 races formed the fourth round of the 2012 GP3 season.