1999 Australian motorcycle Grand Prix

The 1999 Australian motorcycle Grand Prix was the thirteenth round of the 1999 Grand Prix motorcycle racing season. It took place on 3 October 1999 at the Phillip Island Grand Prix Circuit.

Championship standings after the race (500cc)
Below are the standings for the top five riders and constructors after round thirteen has concluded.


 * Riders' Championship standings


 * Constructors' Championship standings


 * Note: Only the top five positions are included for both sets of standings.