2025 Japanese motorcycle Grand Prix
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| Race 17 of 22 races in the 2025 Grand Prix motorcycle racing season | ||||||||||||||||||||||||||||||||||
| Date | 28 September 2025 | |||||||||||||||||||||||||||||||||
| Official name | Motul Grand Prix of Japan | |||||||||||||||||||||||||||||||||
| Location | Mobility Resort Motegi Motegi, Japan | |||||||||||||||||||||||||||||||||
| Course |
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| MotoGP | ||||||||||||||||||||||||||||||||||
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| Moto2 | ||||||||||||||||||||||||||||||||||
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| Moto3 | ||||||||||||||||||||||||||||||||||
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The 2025 Japanese motorcycle Grand Prix (officially known as the Motul Grand Prix of Japan) was the seventeenth round of the 2025 Grand Prix motorcycle racing season. All races were held at the Mobility Resort Motegi in Motegi on 28 September 2025.
In the MotoGP class, Marc Márquez of Ducati Lenovo Team finished second in the main race, clinching his seventh MotoGP World Riders' Championship and his first since 2019.
After Daniel Holgado's win in the Moto2 class, Kalex secured its thirteenth straight Constructors' Championship.