Tercera sesión de entrenamientos libres del Gran Premio de Italia 2015
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Lewis Hamilton |
Mercedes | 1:24.544 | 18 |
| 2 |  Sebastian Vettel |
Ferrari | +0.264s | 12 |
| 3 | Nico Rosberg |
Mercedes | +0.299s | 19 |
| 4 |  Valtteri Bottas |
Williams | +0.402s | 14 |
| 5 |  Felipe Massa |
Williams | +0.621s | 14 |
| 6 |  Pastor Maldonado |
Lotus | +0.698s | 11 |
| 7 | Kimi Räikkönen |
Ferrari | +0.700s | 13 |
| 8 |  Sergio Pérez |
Force India | +0.971s | 14 |
| 9 |  Marcus Ericsson |
Sauber | +1.148s | 17 |
| 10 |  Romain Grosjean |
Lotus | +1.203s | 8 |
| 11 | Felipe Nasr |
Sauber | +1.368s | 17 |
| 12 | Nico Hülkenberg |
Force India | +1.597s | 13 |
| 13 |  Fernando Alonso |
McLaren | +2.088s | 9 |
| 14 | Jenson Button |
McLaren | +2.206s | 14 |
| 15 | Will Stevens |
Manor | +3.579s | 13 |
| 16 |  Max Verstappen |
Toro Rosso | +3.671s | 25 |
| 17 |  Daniil Kvyat |
Red Bull | +4.047s | 10 |
| 18 | Carlos Sainz Jr. |
Toro Rosso | +4.084s | 23 |
| 19 | Roberto Merhi |
Manor | +4.573s | 11 |
| 20 |  Daniel Ricciardo |
Red Bull | +5.356s | 7 |