The 1975 Australian Drivers' Championship was a CAMS sanctioned Australian motor racing title open to Australian Formula 1 cars and Australian Formula 2 cars.[1] The championship winner was awarded the 1975 CAMS "Gold Star".[1] The title, which was the nineteenth Australian Drivers' Championship,[2] was won by John McCormack driving an Elfin MR6 Repco-Holden.[3]