2025 Supersport 300 World Championship

2025 Supersport 300 World Championship
Previous: 2024 Next: 2026 (WorldSPB)
Feeder series:
Superbike World Championship
Supersport World Championship
Women’s Motorcycling World Championship
Yamaha R3 bLU cRU FIM World Cup

The 2025 Supersport 300 World Championship is a part of the 38th season of the Superbike World Championship. It is the final edition of the championship, with a new category set to replace it in 2026. The championship is set to consist of 16 races across 8 venues.