2025 Indonesian motorcycle Grand Prix
The 2025 Indonesian motorcycle Grand Prix was the eighteenth round of the 2025 Grand Prix motorcycle racing season. All races were held at the Pertamina Mandalika International Street Circuit in Mandalika on 5 October 2025.
In the MotoGP class, Fermín Aldeguer won the race, becoming the second-youngest MotoGP winner in history. Álex Márquez won the best independent rider award this season, and Ducati Lenovo Team secured their second consecutive Teams' Championship.
In the Moto3 class, José Antonio Rueda won his ninth Grand Prix of the season and clinched the Riders' Championship.
MotoGP Sprint
The MotoGP Sprint was held on 4 October 2025.Notes
- - Maverick Viñales withdrew from the Sprint and the rest of the weekend in order to recover from his left shoulder injury. None of the riders' grid position were affected as he qualified last.
Championship standings after the race
Below are the standings for the top five riders, constructors, and teams after the round.MotoGP
;Riders' Championship standings| Rider | Points | |||||||||||||||
| 1 |  Moto2;Riders' Championship standings
|