2023 Australian motorcycle Grand Prix

The 2023 Australian motorcycle Grand Prix (officially known as the MotoGP Guru by Gryfyn Australian Motorcycle Grand Prix) was the sixteenth round of the 2023 Grand Prix motorcycle racing season. It was held at the Phillip Island Grand Prix Circuit in Phillip Island on 21–22 October 2023.

Background
Due to inclement weather forecast on 22 October, the schedule for the MotoGP sprint and main race was swapped, with the main race being held on 21 October, while the sprint was scheduled to be held on 22 October. For the first time since the 2015 Dutch TT, the MotoGP race was held on Saturday. Both the Moto2 and Moto3 were held on 22 October, with both classes having a warm up session introduced. All races on 22 October also started an hour earlier than planned to avoid the inclement weather.

MotoGP
Coming into the weekend, Francesco Bagnaia leads the Riders' Championship by 18 points from Jorge Martín, with Marco Bezzecchi third, a further 45 points behind. Ducati, having secured the 5th title at the Indonesian Grand Prix, leads the Constructors' Championship over KTM by 244 points and Aprilia by a further 17 points.

Combined Free Practice 1-2
Free Practice sessions on Friday and Saturday do not determine riders to qualify for Q2.

Practice
The top ten riders (written in bold) qualified for Q2.

Combined Practice 1-2-3
The top fourteen riders (written in bold) qualified for Q2.

Combined Practice 1-2-3
The top fourteen riders (written in bold) qualified for Q2.

MotoGP Sprint
Due to inclement weather, the MotoGP Sprint was cancelled. It was initially scheduled to be held after the Moto2 race.

MotoGP
Maverick Viñales set the best time 1:39.036 and was the fastest rider at this session ahead of Jorge Martín and Marc Márquez.

Moto2
Zonta van den Goorbergh set the best time 1:45.713 and was the fastest rider at this session ahead of Sergio García and Jake Dixon.

Moto3
Jaume Masià set the best time 1:49.237 and was the fastest rider at this session ahead of David Muñoz and Mario Aji.

MotoGP

 * Álex Rins withdrew from the rest of the weekend due to persistent right leg pain.

Moto2
The race was scheduled to be run for 23 laps, but was red-flagged race after 9 full laps due to inclement weather and bad track conditions. As less than 2/3 of the race distance was completed, the race was to be restarted for 6 laps. Eventually, race direction decided not to restart the race as track conditions were not improving. Per regulations, half points were awarded after failing to complete half of the original race distance.

Championship standings after the race
Below are the standings for the top five riders, constructors, and teams after the round.

MotoGP

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto2

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings

Moto3

 * Riders' Championship standings


 * Constructors' Championship standings


 * Teams' Championship standings