The top 14 riders after FP3 (combined times) receive direct access to the second and final part of qualifying.
| Moto3 Catalunya - Free Practice (3) Results | |||||
| Pos | Rider | Nat | Team | Bike | Time |
| 1 | Aron Canet | SPA | Sterilgarda Max Racing Team | (KTM) | 1m 48.433s |
| 2 | Niccolò Antonelli | ITA | SIC58 Squadra Corse | (Honda) | 1m 48.540s |
| 3 | Gabriel Rodrigo | ARG | Kömmerling Gresini Moto3 | (Honda) | 1m 48.606s |
| 4 | Raul Fernandez | SPA | Sama Qatar Angel Nieto Team | (KTM) | 1m 48.630s |
| 5 | Makar Yurchenko | KAZ | BOE Skull Rider Mugen Race | (KTM) | 1m 48.670s |
| 6 | Jaume Masia | SPA | Bester Capital Dubai | (KTM) | 1m 48.748s |
| 7 | Sergio Garcia | SPA | Estrella Galicia 0,0 | (Honda) | 1m 48.822s |
| 8 | Alonso Lopez | SPA | Estrella Galicia 0,0 | (Honda) | 1m 48.837s |
| 9 | Marcos Ramirez | SPA | Leopard Racing | (Honda) | 1m 48.891s |
| 10 | Lorenzo Dalla Porta | ITA | Leopard Racing | (Honda) | 1m 48.894s |
| 11 | Tony Arbolino | ITA | VNE Snipers | (Honda) | 1m 48.900s |
| 12 | Carlos Tatay | SPA | Fundacion Andreas Perez 77 | (KTM) | 1m 48.944s |
| 13 | Darryn Binder | RSA | CIP Green Power | (KTM) | 1m 48.956s |
| 14 | John McPhee | GBR | Petronas Sprinta Racing | (Honda) | 1m 48.975s |
| 15 | Albert Arenas | SPA | Sama Qatar Angel Nieto Team | (KTM) | 1m 49.000s |
| 16 | Jakub Kornfeil | CZE | Redox PruestelGP | (KTM) | 1m 49.036s |
| 17 | Kazuki Masaki | JPN | BOE Skull Rider Mugen Race | (KTM) | 1m 49.065s |
| 18 | Romano Fenati | ITA | VNE Snipers | (Honda) | 1m 49.157s |
| 19 | Tatsuki Suzuki | JPN | SIC58 Squadra Corse | (Honda) | 1m 49.251s |
| 20 | Vicente Perez | SPA | Reale Avintia Arizona 77 | (KTM) | 1m 49.277s |
| 21 | Ai Ogura | JPN | Honda Team Asia | (Honda) | 1m 49.316s |
| 22 | Can Oncu | TUR | Red Bull KTM Ajo | (KTM) | 1m 49.392s |
| 23 | Ayumu Sasaki | JPN | Petronas Sprinta Racing | (Honda) | 1m 49.607s |
| 24 | Ryusei Yamanaka | JPN | Estrella Galicia 0,0 | (Honda) | 1m 49.665s |
| 25 | Dennis Foggia | ITA | SKY Racing Team VR46 | (KTM) | 1m 49.703s |
| 26 | Celestino Vietti | ITA | SKY Racing Team VR46 | (KTM) | 1m 49.784s |
| 27 | Tom Booth-Amos | GBR | CIP Green Power | (KTM) | 1m 50.053s |
| 28 | Andrea Migno | ITA | Bester Capital Dubai | (KTM) | 1m 50.227s |
| 29 | Riccardo Rossi | ITA | Kömmerling Gresini Moto3 | (Honda) | 1m 50.316s |
| 30 | Kaito Toba | JPN | Honda Team Asia | (Honda) | 1m 50.517s |
| 31 | Filip Salac | CZE | Redox PruestelGP | (KTM) | 1m 51.694s |
Combined Practice Times - Top 14:
1 A.Canet
2 N.Antonelli
3 G.Rodrigo
4 R.Fernandez
5 M.Yurchenko
6 J.Masia
7 S.Garcia
8 A.Lopez
9 M.Ramirez
10 L.Dalla Porta
11 T.Arbolino
12 C.Tatay
13 D.Binder
14 J.McPhee
