2025 Indonesian motorcycle Grand Prix
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| Race 18 of 22 races in the 2025 Grand Prix motorcycle racing season | ||||||||||||||||||||||||||||||||||
| Date | 5 October 2025 | |||||||||||||||||||||||||||||||||
| Official name | Pertamina Grand Prix of Indonesia | |||||||||||||||||||||||||||||||||
| Location | Pertamina Mandalika International Street Circuit Mandalika, Indonesia | |||||||||||||||||||||||||||||||||
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The 2025 Indonesian motorcycle Grand Prix (officially known as the Pertamina Grand Prix of Indonesia) 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.