The 2012 Marina Bay GP2 Series round was a pair of motor races held at the Marina Bay Street Circuit in Marina Bay, Singapore as part the GP2 Series, with the 2012 GP3 Series season having concluded at the previous round at Monza. The races were held on 22 and 23 July and was run in support of the Singapore Grand Prix, and represented the final round of the 2012 GP2 Series season. The event marked the first time the GP2 Series had travelled to Singapore.