Formula 1 Second Free Practice Results Marina Bay Singapore Friday September 20
| P | Driver | Team | Lap time | Laps |
| 1 | Lando Norris | McLaren | 01:30.727 | 27 |
| 2 | Charles Leclerc | Scuderia Ferrari | 01:30.785 | 28 |
| 3 | Carlos Sainz | Scuderia Ferrari | 01:31.356 | 27 |
| 4 | Yuki Tsunoda | RB | 01:31.468 | 28 |
| 5 | Oscar Piastri | McLaren | 01:31.474 | 27 |
| 6 | Daniel Ricciardo | RB | 01:31.478 | 26 |
| 7 | George Russell | Mercedes | 01:31.488 | 25 |
| 8 | Sergio Perez | Red Bull Racing | 01:31.598 | 25 |
| 9 | Alexander Albon | Williams | 01:31.650 | 26 |
| 10 | Nico Hülkenberg | Haas | 01:31.667 | 26 |
| 11 | Lewis Hamilton | Mercedes | 01:31.709 | 24 |
| 12 | Fernando Alonso | Aston Martin | 01:31.750 | 25 |
| 13 | Kevin Magnussen | Haas | 01:31.793 | 26 |
| 14 | Lance Stroll | Aston Martin | 01:31.957 | 25 |
| 15 | Max Verstappen | Red Bull Racing | 01:32.021 | 24 |
| 16 | Franco Colapinto | Williams | 01:32.057 | 26 |
| 17 | Esteban Ocon | Alpine | 01:32.119 | 27 |
| 18 | Pierre Gasly | Alpine | 01:32.222 | 27 |
| 19 | Zhou Guanyu | Kick Sauber | 01:32.359 | 26 |
| 20 | Valtteri Bottas | Kick Sauber | 01:32.786 | 26 |