| 2019 Formula 1 Italian Grand Prix - Free Practice 3 Results |
| Pos | Driver | Nat | Team | Time |
| 1 | Sebastian Vettel | GER | Scuderia Ferrari | 1m20.294s |
| 2 | Max Verstappen | NED | Aston Martin Red Bull Racing Honda | + 0.032s |
| 3 | Valtteri Bottas | FIN | Mercedes AMG Petronas Motorsport | + 0.109s |
| 4 | Charles Leclerc | MON | Scuderia Ferrari | + 0.109s |
| 5 | Daniel Ricciardo | AUS | Renault F1 Team | + 0.270s |
| 6 | Lewis Hamilton | GBR | Mercedes AMG Petronas Motorsport | + 0.301s |
| 7 | Nico Hulkenberg | GER | Renault F1 Team | + 0.458s |
| 8 | Alexander Albon | THA | Aston Martin Red Bull Racing Honda | + 0.533s |
| 9 | Antonio Giovinazzi | ITA | Alfa Romeo Racing | + 0.587s |
| 10 | Daniil Kvyat | RUS | Red Bull Toro Rosso Honda | + 0.651s |
| 11 | Carlos Sainz | ESP | McLaren F1 Team | + 0.655s |
| 12 | Sergio Perez | MEX | SportPesa Racing Point F1 Team | + 0.709s |
| 13 | Pierre Gasly | FRA | Red Bull Toro Rosso Honda | + 0.779s |
| 14 | Lando Norris | GBR | McLaren F1 Team | + 0.998s |
| 15 | Kimi Raikkonen | ITA | Alfa Romeo Racing | + 1.031s |
| 16 | Kevin Magnussen | DEN | Rich Energy Haas F1 Team | + 1.042s |
| 17 | Romain Grosjean | FRA | Rich Energy Haas F1 Team | + 1.327s |
| 18 | Lance Stroll | CAN | SportPesa Racing Point F1 Team | + 1.498s |
| 19 | George Russell | GBR | ROKiT Williams Racing | + 2.080s |
| 20 | Robert Kubica | POL | ROKiT Williams Racing | + 2.464s |
