Tercera sesión de entrenamientos libres del Gran Premio de Italia 2009
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Adrian Sutil |
Force India | 1:23.336 | |
| 2 |  Jenson Button |
Brawn | + 0.068 | |
| 3 | Nick Heidfeld |
BMW | + 0.154 | |
| 4 |  Rubens Barrichello |
Brawn | + 0.239 | |
| 5 | Lewis Hamilton |
McLaren | + 0.297 | |
| 6 |  Heikki Kovalainen |
McLaren | + 0.467 | |
| 7 |  Vitantonio Liuzzi |
Force India | + 0.513 | |
| 8 |  Fernando Alonso |
Renault | + 0.579 | |
| 9 | Timo Glock |
Toyota | + 0.623 | |
| 10 |  Robert Kubica |
BMW | + 0.660 | |
| 11 |  Romain Grosjean |
Renault | + 0.861 | |
| 12 | Kimi Räikkönen |
Ferrari | + 0.966 | |
| 13 | Jarno Trulli |
Toyota | + 0.990 | |
| 14 |  Kazuki Nakajima |
Williams | + 1.056 | |
| 15 |  Sebastien Buemi |
Toro Rosso | + 1.236 | |
| 16 | Nico Rosberg |
Williams | + 1.285 | |
| 17 |  Mark Webber |
Red Bull | + 1.818 | |
| 18 | Sebastian Vettel |
Red Bull | + 1.908 | |
| 19 | Jaime Alguersuari |
Toro Rosso | + 2.455 | |
| 20 | Giancarlo Fisichella |
Ferrari | + 2.615 |