Tercera sesión de entrenamientos libres del Gran Premio de Singapur 2009
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Lewis Hamilton |
McLaren | 1:47.632 | |
| 2 |  Sebastian Vettel |
Red Bull | + 0.277 | |
| 3 | Nico Rosberg |
Williams | + 0.700 | |
| 4 |  Heikki Kovalainen |
McLaren | + 0.788 | |
| 5 |  Robert Kubica |
BMW | + 0.869 | |
| 6 | Nick Heidfeld |
BMW | + 0.894 | |
| 7 |  Rubens Barrichello |
Brawn | + 0.919 | |
| 8 | Timo Glock |
Toyota | + 1.041 | |
| 9 |  Sebastien Buemi |
Toro Rosso | + 1.122 | |
| 10 |  Jarno Trulli |
Toyota | + 1.125 | |
| 11 |  Kazuki Nakajima |
Williams | + 1.199 | |
| 12 | Kimi Räikkönen |
Ferrari | + 1.232 | |
| 13 |  Mark Webber |
Red Bull | + 1.244 | |
| 14 | Jenson Button |
Brawn | + 1.289 | |
| 15 |  Fernando Alonso |
Renault | + 1.400 | |
| 16 | Vitantonio Liuzzi |
Force India | + 1.423 | |
| 17 | Adrian Sutil |
Force India | + 1.490 | |
| 18 | Jaime Alguersuari |
Toro Rosso | +1.823 | |
| 19 |  Romain Grosjean |
Renault | + 2.009 | |
| 20 | Giancarlo Fisichella |
Ferrari | + 2.407 |