2006 Grand Prix motorcycle racing season Participants MotoGP participants

| Team | Constructor_ | Motorcycle | Tyres | No_ | Rider | Rounds_ |
|---|---|---|---|---|---|---|
| Ducati Marlboro Team | Ducati | Ducati Desmosedici GP6 | B | 66 | Alex Hofmann | 8–9, 12 |
| Ducati Marlboro Team | Ducati | Ducati Desmosedici GP6 | B | 12 | Troy Bayliss | 17 |
| Kawasaki Racing Team | Kawasaki | Kawasaki Ninja ZX-RR | B | 17 | Randy de Puniet | All |
| Kawasaki Racing Team | Kawasaki | Kawasaki Ninja ZX-RR | B | 56 | Shinya Nakano | All |
| Kawasaki Racing Team | Kawasaki | Kawasaki Ninja ZX-RR | B | 8 | Naoki Matsudo | 15 |
| Rizla Suzuki MotoGP | Suzuki | Suzuki GSV-R | B | 21 | John Hopkins | All |
| Rizla Suzuki MotoGP | Suzuki | Suzuki GSV-R | B | 71 | Chris Vermeulen | All |
| Rizla Suzuki MotoGP | Suzuki | Suzuki GSV-R | B | 64 | Kousuke Akiyoshi | 15 |
| Repsol Honda Team | Honda | Honda RC211V | M | 26 | Dani Pedrosa | All |