2006 Grand Prix motorcycle racing season Participants MotoGP participants

| Team | Constructor_ | Motorcycle | Tyres | No_ | Rider | Rounds_ |
|---|---|---|---|---|---|---|
| Repsol Honda Team | Honda | Honda RC211V | M | 69 | Nicky Hayden | All |
| Honda LCR | Honda | Honda RC211V | M | 27 | Casey Stoner | All |
| Pramac d`Antin MotoGP | Ducati | Ducati Desmosedici GP5 | D | 30 | José Luis Cardoso | All |
| Pramac d`Antin MotoGP | Ducati | Ducati Desmosedici GP5 | D | 66 | Alex Hofmann | 1–7, 10–11, 13–17 |
| Pramac d`Antin MotoGP | Ducati | Ducati Desmosedici GP5 | D | 22 | Iván Silva | 8–9, 12 |
| Fortuna Honda | Honda | Honda RC211V | M | 24 | Toni Elías | 1–8, 10–17 |
| Fortuna Honda | Honda | Honda RC211V | M | 33 | Marco Melandri | All |
| Fortuna Honda | Honda | Honda RC211V | M | 84 | Michel Fabrizio | 9 |
| Ilmor SRT | Ilmor | Ilmor X3 | M | 8 | Garry McCoy | 16–17 |