2008 MotoGP entry list
| No. | Rider | Team |
| 1 | Casey Stoner | Ducati Marlboro Team |
| 3 | Alex De Angelis | Honda Gresini |
| 4 | Andrea Dovizioso | Jir Scot Team |
| 5 | Colin Edwards | Yamaha Tech 3 |
| 7 | Chris Vermeulen | Rizla Suzuki MotoGP |
| 13 | Anthony West | Kawasaki Racing Team |
| 14 | Randy De Puniet | Honda Lcr |
| 21 | John Hopkins | Kawasaki Racing Team |
| 24 | Toni Elias | Team Alice |
| 26 | Dani Pedrosa | Repsol Honda Team |
| 33 | Marco Melandri | Ducati Marlboro Team |
| 46 | Valentino Rossi | Fiat Yamaha Team |
| 48 | Jorge Lorenzo | Fiat Yamaha Team |
| 50 | Sylvain Guintoli | Team Alice |
| 52 | James Toseland | Yamaha Tech 3 |
| 56 | Shinya Nakano | Honda Gresini |
| 65 | Loris Capirossi | Rizla Suzuki MotoGP |
| 69 | Nicky Hayden | Repsol Honda Team |
| TBA | Team Roberts | |
| TBA | Team Roberts |
250cc entry list
| No. | Rider | Team |
| 4 | Hiroshi Aoyama | Red Bull Ktm 250 |
| 5 | Hector Faubel | Mapfre Aspar Team |
| 6 | Alex Debon | Lotus Aprilia |
| 7 | Russel Gomez | Blusens Aprilia |
| 10 | Imre Toth | Team Toth Aprilia |
| 12 | Thomas Luthi | Emmi – Caffe Latte |
| 14 | Ratthapark Wilairot | Thai Honda Ptt Sag |
| 15 | Roberto Locatelli | Squadra Corse Metis Gilera |
| 17 | Karel Abraham | Cardion Ab Motoracing |
| 19 | Alvaro Bautista | Mapfre Aspar Team |
| 21 | Hector Barbera | Team Toth Aprilia |
| 25 | Alex Baldolini | Matteoni Racing |
| 32 | Fabrizio Lai | Campetella Racing |
| 36 | Mika Kallio | Red Bull Ktm 250 |
| 41 | Aleix Espargaro | Lotus Aprilia |
| 45 | Doni Tata Pradita | Yamaha Pertamina Indonesia |
| 50 | Eugene Laverty | Blusens Aprilia |
| 52 | Lukas Pesek | Auto Kelly – Cp |
| 54 | Manuel Poggiali | Campetella Racing |
| 55 | Yuki Takahashi | Scot Racing Team 250Cc |
| 58 | Marco Simoncelli | Squadra Corse Metis Gilera |
| 60 | Julian Simon | Repsol Ktm 250Cc |
| 75 | Mattia Pasini | Polaris World |
125cc entry list
| No. | Rider | Team |
| 5 | Efren Vazquez | Blusens Aprilia Junior |
| 6 | Joan Olive | Belson Derbi |
| 7 | Alexis Masbou | Loncin Racing |
| 8 | Lorenzo Zanetti | Seedorf Ktm 125 |
| 11 | Sandro Cortese | Emmi – Caffe Latte |
| 12 | Esteve Rabat | Repsol Ktm 125Cc |
| 14 | Gabor Talmacsi | Bancaja Aspar Team |
| 16 | Jules Cluzel | Loncin Racing |
| 17 | Stefan Bradl | Grizzly Gas Kiefer Racing |
| 18 | Nicolas Terol | Wrb Fontana Racing |
| 21 | Robin Lasser | Grizzly Gas Kiefer Racing |
| 22 | Pablo Nieto | Scot Racing Team 125Cc |
| 24 | Simone Corsi | Wrb Fontana Racing |
| 27 | Stefano Bianco | Wtr No Alcol Team |
| 29 | Andrea Iannone | I.C. Team |
| 30 | Pere Tutusaus | Bancaja Aspar Team |
| 33 | Sergio Gadea | Bancaja Aspar Team |
| 34 | Randy Krummenacher | Red Bull Ktm 125 |
| 35 | Raffaele De Rosa | Scot Racing Team 125Cc |
| 38 | Bradley Smith | Polaris World |
| 44 | Pol Espargaro | Belson Derbi |
| 45 | Scott Redding | Blusens Aprilia Junior |
| 51 | Stevie Bonsey | Arie Molenaar Racing |
| 55 | Hugo Van Den Berg | Arie Molenaar Racing |
| 60 | Michael Ranseder | I.C. Team |
| 63 | Mike Di Meglio | Ajo Motosport |
| 69 | Louis Rossi | Ffm Honda Gp 125 |
| 71 | Tomoyoshi Koyama | Seedorf Ktm 125 |
| 73 | Takaaki Nakagami | I.C. Team |
| 77 | Dominique Aegerter | Ajo Motosport |
| 87 | Roberto Lacalendola | Matteoni Racing |
| 93 | Marc Marquez | Repsol Ktm 125Cc |
| 95 | Robert Muresan | Grizzly Gas Kiefer Racing |
| 99 | Danny Webb | Arie Molenaar Racing |