Moto3 - Teams & Fahrer 2012
| Team | Fahrer | Nr | Nation | Fahrer | Nr | Nation |
| AirAsia-SIC-AJO | Zulfahmi Khairuddin | 63 |
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| Aspar Team Moto3 | Alberto Moncayo | 23 |
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Hector Faubel | 55 |
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| BQR | Maverick Viñales | 25 |
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| Gresini Racing | Niccolo Antonelli | 27 |
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| Ioda Racing Project | Luigi Morciano | 3 |
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| Mahindra Racing | Marcel Schrotter | 77 |
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Danny Webb | 99 |
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| Monlau Competicion | Alex Rins | 42 |
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Miguel Oliveira | 44 |
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| Moto FGR | Jasper Iwema | 53 |
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| MZ Racing Team | Jonas Folger | 94 |
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| Ongetta-Centro Seta | Isaac Viñales | 32 |
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| Phonica Racing | Giulian Pedone | 30 |
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Miroslav Popov | 95 |
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| Racing Team Germany | Toni Finsterbusch | 9 |
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Louis Rossi | 96 |
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| Red Bull KTM Ajo | Sandro Cortese | 11 |
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Danny Kent | 52 |
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| Red Bull KTM Ajo | Arthur Sissis | 61 |
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| Redox-Ongetta-Centro Seta | Jakub Kornfeil | 84 |
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| RW Racing GP | Brad Binder | 14 |
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Luis Salom | 39 |
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| Team Italia FMI | Romano Fenati | 5 |
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Alessandro Tonucci | 19 |
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| Team Laglisse | Efren Vazquez | 7 |
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Adrian Martin | 26 |
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| Techno Racing | Jack Miller | 8 |
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Alexis Masbou | 10 |
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| Technomag-CIP | Kenta Fujii | 51 |
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89 |
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| TT Motion Events Racing | Niklas Ajo | 31 |
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