The 2019 Australian GT Championship is the 23rd running of the Australian GT Championship, a CAMS-sanctioned Australian motor racing championship open to FIA GT3 cars, FIA GT4 cars and similar cars as approved for the championship. The championship will commence on 14 March 2018 at the Melbourne Grand Prix Circuit and conclude on 10 November at Sandown Raceway. The championship will be contested over seven rounds. Each race, with the exception of the Australian Grand Prix round, will include at least one compulsory timed pit stop.