Calificación Moto3 - Gran Premio de San Marino 2018
| Pos. | Piloto | Equipo | Moto | Tiempo |
|---|---|---|---|---|
| 1 | 
Jorge Martin |
Del Conca Gresini Moto3 | Honda | 1:41.823 |
| 2 | 
Gabriel Rodrigo |
RBA BOE Skull Rider | KTM | +0.311 |
| 3 |
Arón Canet |
Estrella Galicia 0,0 | Honda | +0.447 |
| 4 | 
Fabio Di Giannantonio |
Del Conca Gresini Moto3 | Honda | +0.448 |
| 5 |
Enea Bastianini |
Leopard Racing | Honda | +0.471 |
| 6 |
Marco Bezzecchi |
Redox PruestelGP | KTM | +0.495 |
| 7 |
Nicolo Bulega |
SKY Racing Team VR46 | KTM | +0.532 |
| 8 |
Lorenzo Dalla Porta |
Leopard Racing | Honda | +0.619 |
| 9 | 
Jakub Kornfeil |
Redox PruestelGP | KTM | +0.651 |
| 10 | 
Ayumu Sasaki |
Petronas Sprinta Racing | Honda | +0.755 |
| 11 |
Jaume Masia |
Bester Capital Dubai | KTM | +0.839 |
| 12 |
Tony Arbolino |
Marinelli Snipers Team | Honda | +0.858 |
| 13 |
Albert Arenas |
Angel Nieto Team Moto3 | KTM | +0.871 |
| 14 | 
Adam Norrodin |
Petronas Sprinta Racing | Honda | +0.967 |
| 15 |
Niccolo Antonelli |
SIC58 Squadra Corse | Honda | +1.037 |
| 16 |
Tatsuki Suzuki |
SIC58 Squadra Corse | Honda | +1.248 |
| 17 |
Kaito Toba |
Honda Team Asia | Honda | +1.404 |
| 18 |
Kevin Zannoni |
TM Racing Factory 3570 MTA | TM RACING | +1.459 |
| 19 |
Andrea Migno |
Angel Nieto Team Moto3 | KTM | +1.505 |
| 20 |
Dennis Foggia |
SKY Racing Team VR46 | KTM | +1.547 |
| 21 |
Marcos Ramírez |
Bester Capital Dubai | KTM | +1.586 |
| 22 |
Kazuki Masaki |
RBA BOE Skull Rider | KTM | +1.587 |
| 23 | 
Darryn Binder |
Red Bull KTM Ajo | KTM | +1.809 |
| 24 | 
Philipp Oettl |
Sudmetal Schedl GP Racing | KTM | +1.817 |
| 25 | 
John Mcphee |
CIP - Green Power | KTM | +2.007 |
| 26 | 
Nakarin Atiratphuvapat |
Honda Team Asia | Honda | +2.139 |
| 27 |
Vicente Pérez |
Reale Avintia Academy | KTM | +2.340 |
| 28 |
Yari Montella |
SIC58 Squadra Corse | Honda | +2.410 |
| 29 |
Stefano Nepa |
CIP - Green Power | KTM | +2.416 |
| 30 |
Alonso López |
Estrella Galicia 0,0 | Honda | +2.733 |