| Category | Motorcycle racing |
|---|---|
| Region | Europe |
| Inaugural season | 2017 |
| Folded | 2025 |
| Constructors | Kawasaki, Kove, KTM, Yamaha |
| Tyre suppliers | Pirelli |
| Last Riders' champion | Jeffrey Buis |
| Last Makes' champion | Kawasaki |
| Last Teams' champion | MTM Kawasaki |
| Official website | worldsbk.com |
 Current season | |
The Supersport 300 World Championship (or short abbreviated as WorldSSP300) is a motorcycle racing competition on paved surfaces, for production-based motorcycles. Created in 2017, the championship runs as a support class to the Superbike World Championship.[1]