The 2018 Super2 Series (known for commercial reasons as the 2018 Dunlop Super2 Series) was an Australian motor racing competition for Supercars, staged as a support series to the 2018 Supercars Championship. It was the nineteenth running of the Supercars Development Series, the second tier of competition in Supercars racing.
The series was won by Chris Pither, driving in a Garry Rogers Motorsport prepared Holden VF Commodore.