| 2019 Formula 1 Italian Grand Prix - Free Practice 1 Results |
| Pos | Driver | Nat | Team | Time |
| 1 | Charles Leclerc | MON | Scuderia Ferrari | 1m27.905s |
| 2 | Carlos Sainz | ESP | McLaren F1 Team | + 0.306s |
| 3 | Lando Norris | GBR | McLaren F1 Team | + 0.545s |
| 4 | Lewis Hamilton | GBR | Mercedes AMG Petronas Motorsport | + 0.825s |
| 5 | Alexander Albon | THA | Aston Martin Red Bull Racing Honda | + 1.120s |
| 6 | Daniil Kvyat | RUS | Red Bull Toro Rosso Honda | + 2.055s |
| 7 | Max Verstappen | NED | Aston Martin Red Bull Racing Honda | + 2.195s |
| 8 | Sebastian Vettel | GER | Scuderia Ferrari | + 2.602s |
| 9 | Valtteri Bottas | FIN | Mercedes AMG Petronas Motorsport | + 2.691s |
| 10 | Pierre Gasly | FRA | Red Bull Toro Rosso Honda | + 2.790s |
| 11 | Antonio Giovinazzi | ITA | Alfa Romeo Racing | + 4.943s |
| 12 | Lance Stroll | CAN | SportPesa Racing Point F1 Team | + 6.071s |
| 13 | Daniel Ricciardo | AUS | Renault F1 Team | + 6.623s |
| 14 | Kevin Magnussen | DEN | Rich Energy Haas F1 Team | + 6.810s |
| 15 | Nico Hulkenberg | GER | Renault F1 Team | + 7.228s |
| 16 | Romain Grosjean | FRA | Rich Energy Haas F1 Team | + 8.075s |
| 17 | Robert Kubica | POL | ROKiT Williams Racing | + 9.911s |
| 18 | George Russell | GBR | ROKiT Williams Racing | + 10.516s |
| 19 | Sergio Perez | MEX | SportPesa Racing Point F1 Team | no time |
| 20 | Kimi Raikkonen | ITA | Alfa Romeo Racing | no time |
