The 1949 Australian Grand Prix was motor race held at the Leyburn circuit in Queensland, Australia on 18 September 1949. The race was staged over 35 laps of the 7.0 kilometre circuit, which was laid out on the runways and taxiways of a World War II airbase located six kilometres north of the town of Leyburn. The total race distance was 150.5 miles (242.2 kilometres). John Crouch won the race driving a Delahaye 135MS. Ray Gordon (MG TC Special) finished second ahead of Arthur Rizzo (Riley Special).