MotoGP entry list for 2007:
| no. | rider | entrant | bike |
| 1 | Nicky Hayden USA | Repsol Honda Team | Honda RC212V |
| 26 | Daniel Pedrosa ESP | Repsol Honda Team | Honda RC212V |
| 4 | Alex Barros BRA | Pramac d’Antín MotoGP | Ducati Desmosedici |
| 22 | Iván Silva ESP* | Pramac d’Antín MotoGP | Ducati Desmosedici |
| 57 | Chaz Davies WAL*/** | Pramac d’Antín MotoGP | Ducati Desmosedici |
| 66 | Alex Hofmann BRD | Pramac d’Antín MotoGP | Ducati Desmosedici |
| 72 | Shin’ichi Itoh JAP* | Pramac d’Antín MotoGP | Ducati Desmosedici |
| 5 | Colin Edwards USA | Team Fiat Yamaha | Yamaha YZR-M1 |
| 46 | Valentino Rossi ITA | Team Fiat Yamaha | Yamaha YZR-M1 |
| 6 | Makoto Tamada JAP | Dunlop Tech 3 Yamaha | Yamaha YZR-M1 |
| 50 | Sylvain Guintoli FRA | Dunlop Tech 3 Yamaha | Yamaha YZR-M1 |
| 7 | Carlos Checa ESP | Honda LCR | Honda RC212V |
| 9 | Nobuatsu Aoki JAP*** | Rizla Suzuki MotoGP | Suzuki GSV-R800 |
| 21 | John Hopkins USA | Rizla Suzuki MotoGP | Suzuki GSV-R800 |
| 64 | Kousuke Akiyoshi JAP*** | Rizla Suzuki MotoGP | Suzuki GSV-R800 |
| 71 | Chris Vermeulen AUS | Rizla Suzuki MotoGP | Suzuki GSV-R800 |
| 10 | Kenny Roberts Jr USA# | Team Roberts | KR212V-Honda |
| 80 | Kurtis Roberts USA** | Team Roberts | KR212V-Honda |
| 11 | Fonsi Nieto ESP* | Kawasaki Racing Team | Kawasaki ZX-RR |
| 13 | Anthony West AUS** | Kawasaki Racing Team | Kawasaki ZX-RR |
| 14 | Randy de Puniet FRA | Kawasaki Racing Team | Kawasaki ZX-RR |
| 19 | Olivier Jacque FRA | Kawasaki Racing Team | Kawasaki ZX-RR |
| 87 | Akira Yanagawa JAP*** | Kawasaki Racing Team | Kawasaki ZX-RR |
| 95 | Roger Lee Hayden USA*** | Kawasaki Racing Team | Kawasaki ZX-RR |
| 17 | Miguel DuHamel CAN* | Gresini Honda | Honda RC212V |
| 24 | Toní Elías ESP | Gresini Honda | Honda RC212V |
| 33 | Marco Melandri ITA | Gresini Honda | Honda RC212V |
| 84 | Michel Fabrizio ITA* | Gresini Honda | Honda RC212V |
| 27 | Casey Stoner AUS | Ducati Marlboro Team | Ducati Desmosedici |
| 65 | Loris Capirossi ITA | Ducati Marlboro Team | Ducati Desmosedici |
| 56 | Shin’ya Nakano JAP | Konica Minolta Honda | Honda RC212V |
| 88 | Andrew Pitt AUS | Ilmor GP # | Ilmor X³ |
| 99 | Jeremy McWilliams NIR | Ilmor GP # | Ilmor X³ |
* substitute rider
** replacement rider
*** wildcard rider at selected races
# did not race the full season
Tyre suppliers as follows:
Michelin · Repsol, Fiat, LCR, Roberts, Konica Minolta, Ilmor
Bridgestone · d’Antín, Ducati, Gresini, Kawasaki, Suzuki
Dunlop · Tech 3
Former champions:
| rider | GP1 | 500 | 250 | 125 | SBK |
| Valentino Rossi | 4 | 1 | 1 | 1 | - |
| Nicky Hayden | 1 | - | - | - | - |
| Kenny Roberts | - | 1 | - | - | - |
| Daniel Pedrosa | - | - | 2 | 1 | - |
| Loris Capirossi | - | - | 1 | 2 | - |
| Olivier Jacque | - | - | 1 | - | - |
| Marco Melandri | - | - | 1 | - | - |
| Colin Edwards | - | - | - | - | 2 |
Former race winners, to end 2006:
| rider | GP1 | 500 | 250 | 125 | SBK |
| Valentino Rossi | 45 | 13 | 14 | 12 | - |
| Colin Edwards | - | - | - | - | 31 |
| Loris Capirossi | 6 | 2 | 12 | 8 | - |
| Daniel Pedrosa | 2 | - | 15 | 8 | - |
| Marco Melandri | 5 | - | 10 | 7 | - |
| Toní Elías | 1 | - | 7 | 2 | - |
| Chris Vermeulen | - | - | - | - | 10 |
| Alex Barros | 3 | 4 | - | - | 1 |
| Kenny Roberts | - | 8 | - | - | - |
| Olivier Jacque | - | - | 7 | - | - |
| Casey Stoner | - | - | 5 | 2 | - |
| Shin’ya Nakano | - | - | 6 | - | - |
| Makoto Tamada | 2 | - | - | - | 3 |
| Randy de Puniet | - | - | 5 | - | - |
| Fonsi Nieto | - | - | 5 | - | - |
| Nicky Hayden | 3 | - | - | - | - |
| Carlos Checa | - | 2 | - | - | - |
| Nobuatsu Aoki | - | - | 1 | - | - |
| Jeremy McWilliams | - | - | 1 | - | - |
| Anthony West | - | - | 1 | - | - |
| Andrew Pitt | - | - | - | - | 1 |
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