The 1930 Australian Grand Prix was a motor race held at the Phillip Island circuit in Victoria, Australia on 24 March 1930. The race, which was organised by the Light Car Club of Victoria, was the third Australian Grand Prix and the third held at Phillip Island. It was staged as a scratch race with the Class A cars starting first, followed by the Class B entries three minutes later and the Class C cars a further three minutes after that. The Grand Prix title was awarded to the entry recording the fastest time for the race. Of the 22 cars which started the race, nine completed the race distance within the 4½ hour time limit.

The Phillip Island Grand Prix Circuit is a motor racing circuit located near Ventnor, on Phillip Island, Victoria, Australia. The current circuit was first used in 1952.