La FIM a dévoilé la liste des pilotes engagés en 2018 en Moto3. 28 pilotes participeront au prochain championnat Moto3.
La grille Moto3 2018
| # | PILOTE | NATIONALITE | TEAM | MOTO |
| 5 | JAUME MASIA | ESPAGNE | BESTER CAPITAL DUBAI | KTM |
| 7 | ADAM NORRODIN | MALAISIE | PETRONAS SPRINTA RACING | HONDA |
| 8 | NICOLO BULEGA | ITALIE | SKY RACING TEAM VR46 | KTM |
| 10 | DENNIS FOGGIA | ITALIE | SKY RACING TEAM VR46 | KTM |
| 11 | LIVIO LOI | BELGIQUE | REALE STYLOBIKE | KTM |
| 12 | MARCO BEZZECCHI | ITALIE | MC SAXOPRINT | KTM |
| 14 | TONY ARBOLINO | ITALIE | MARINELLI RIVACOLD SNIPERS | HONDA |
| 15 | ALONSO LOPEZ | ESPAGNE | ESTRELLA GALICIA 0,0 | HONDA |
| 16 | ANDREA MIGNO | ITALIE | ASPAR TEAM Moto3 | KTM |
| 17 | JOHN McPHEE | GRANDE-BRETAGNE | CIP | KTM |
| 19 | GABRIEL RODRIGO | ARGENTINE | RBA BOE RACING TEAM | KTM |
| 21 | FABIO DI GIANNANTONIO | ITALIE | DEL CONCA GRESINI Moto3 | HONDA |
| 23 | NICCOLO ANTONELLI | ITALIE | SIC58 SQUADRA CORSE | HONDA |
| 24 | TATSUKI SUZUKI | JAPON | SIC58 SQUADRA CORSE | HONDA |
| 27 | KAITO TOBA | JAPON | HONDA TEAM ASIA | HONDA |
| 33 | ENEA BASTIANINI | ITALIE | LEOPARD RACING | HONDA |
| 40 | DARRYN BINDER | AFRIQUE DU SUD | RED BULL KTM AJO | KTM |
| 41 | NAKARIN ATIRATPHUVAPAT | THAILANDE | HONDA TEAM ASIA | HONDA |
| 42 | MARCOS RAMIREZ | ESPAGNE | BESTER CAPITAL DUBAI | KTM |
| 44 | ARON CANET | ESPAGNE | ESTRELLA GALICIA 0,0 | HONDA |
| 48 | LORENZO DALLA PORTA | ITALIE | LEOPARD RACING | HONDA |
| 58 | JUANFRAN GUEVARA | ESPAGNE | RBA BOE RACING TEAM | KTM |
| 65 | PHILIPP OETTL | ALLEMAGNE | SUDMETAL SCHEDL GP RACING | KTM |
| 71 | AYUMU SASAKI | JAPANESE | PETRONAS SPRINTA RACING | HONDA |
| 75 | ALBERT ARENAS | SPANISH | ASPAR TEAM Moto3 | KTM |
| 76 | MAKAR YURCHENKO | KAZAKHSTAN | CIP | KTM |
| 84 | JAKUB KORNFEIL | REPUBLIQUE-TCHEQUE | MC SAXOPRINT | KTM |
| 88 | JORGE MARTIN | ESPAGNE | DEL CONCA GRESINI Moto3 | HONDA |
