| # | RIDER | NATIONALITY | TEAM | MACHINE |
| 5 | JAUME MASIA | SPANISH | BESTER CAPITAL DUBAI | KTM |
| 7 | ADAM NORRODIN | MALAYSIAN | PETRONAS SPRINTA RACING | HONDA |
| 8 | NICOLO BULEGA | ITALIAN | SKY RACING TEAM VR46 | KTM |
| 10 | DENNIS FOGGIA | ITALIAN | SKY RACING TEAM VR46 | KTM |
| 11 | LIVIO LOI | BELGIAN | REALE STYLOBIKE | KTM |
| 12 | MARCO BEZZECCHI | ITALIAN | MC SAXOPRINT | KTM |
| 14 | TONY ARBOLINO | ITALIAN | MARINELLI RIVACOLD SNIPERS | HONDA |
| 15 | ALONSO LOPEZ | SPANISH | ESTRELLA GALICIA 0,0 | HONDA |
| 16 | ANDREA MIGNO | ITALIAN | ASPAR TEAM Moto3 | KTM |
| 17 | JOHN McPHEE | BRITISH | CIP | KTM |
| 19 | GABRIEL RODRIGO | ARGENTINIAN | RBA BOE RACING TEAM | KTM |
| 21 | FABIO DI GIANNANTONIO | ITALIAN | DEL CONCA GRESINI Moto3 | HONDA |
| 23 | NICCOLO ANTONELLI | ITALIAN | SIC58 SQUADRA CORSE | HONDA |
| 24 | TATSUKI SUZUKI | JAPANESE | SIC58 SQUADRA CORSE | HONDA |
| 27 | KAITO TOBA | JAPANESE | HONDA TEAM ASIA | HONDA |
| 33 | ENEA BASTIANINI | ITALIAN | LEOPARD RACING | HONDA |
| 40 | DARRYN BINDER | S-AFRICAN | RED BULL KTM AJO | KTM |
| 41 | NAKARIN ATIRATPHUVAPAT | THAI | HONDA TEAM ASIA | HONDA |
| 42 | MARCOS RAMIREZ | SPANISH | BESTER CAPITAL DUBAI | KTM |
| 44 | ARON CANET | SPANISH | ESTRELLA GALICIA 0,0 | HONDA |
| 48 | LORENZO DALLA PORTA | ITALIAN | LEOPARD RACING | HONDA |
| 58 | JUANFRAN GUEVARA | SPANISH | RBA BOE RACING TEAM | KTM |
| 65 | PHILIPP OETTL | GERMAN | SUDMETAL SCHEDL GP RACING | KTM |
| 71 | AYUMU SASAKI | JAPANESE | PETRONAS SPRINTA RACING | HONDA |
| 75 | ALBERT ARENAS | SPANISH | ASPAR TEAM Moto3 | KTM |
| 76 | MAKAR YURCHENKO | KAZAKHSTANI | CIP | KTM |
| 84 | JAKUB KORNFEIL | CZECH | MC SAXOPRINT | KTM |
| 88 | JORGE MARTIN | SPANISH | DEL CONCA GRESINI Moto3 | HONDA |
2018 Moto3™ provisional entry list
Provisional riders and teams have been announced for the Moto3™ class in 2018.