Tercera sesión de entrenamientos libres del Gran Premio de Singapur 2015
| Pos. | Piloto | Escuderia | Tiempo | Vueltas |
|---|---|---|---|---|
| 1 |  Sebastian Vettel |
Ferrari | 1:45.682 | 12 |
| 2 |  Kimi Räikkönen |
Ferrari | +0.450s | 12 |
| 3 |  Daniil Kvyat |
Red Bull | +0.485s | 19 |
| 4 |  Daniel Ricciardo |
Red Bull | +0.677s | 14 |
| 5 |  Lewis Hamilton |
Mercedes | +1.120s | 15 |
| 6 | Nico Rosberg |
Mercedes | +1.541s | 16 |
| 7 |  Fernando Alonso |
McLaren | +1.555s | 14 |
| 8 | Carlos Sainz Jr. |
Toro Rosso | +1.619s | 18 |
| 9 |  Max Verstappen |
Toro Rosso | +1.782s | 17 |
| 10 |  Marcus Ericsson |
Sauber | +1.886s | 20 |
| 11 | Valtteri Bottas |
Williams | +1.905s | 20 |
| 12 | Nico Hülkenberg |
Force India | +1.958s | 16 |
| 13 | Jenson Button |
McLaren | +2.033s | 14 |
| 14 |  Felipe Massa |
Williams | +2.051s | 21 |
| 15 |  Pastor Maldonado |
Lotus | +2.135s | 16 |
| 16 |  Sergio Pérez |
Force India | +2.320s | 15 |
| 17 |  Romain Grosjean |
Lotus | +2.434s | 15 |
| 18 | Felipe Nasr |
Sauber | +3.250s | 20 |
| 19 |  Alexander Rossi |
Manor | +6.906s | 26 |
| 20 | Will Stevens |
Manor | +9.611s | 22 |