| 2019 Formula 1 Singapore Grand Prix - Free Practice 3 Results |
| Pos | Driver | Nationality | Team | Time/Gap |
| 1 | Charles Leclerc | MON | Scuderia Ferrari | 1m38.192s |
| 2 | Lewis Hamilton | GBR | Mercedes AMG Petronas Motorsport | + 0.207s |
| 3 | Sebastian Vettel | GER | Scuderia Ferrari | + 0.619s |
| 4 | Valtteri Bottas | FIN | Mercedes AMG Petronas Motorsport | + 0.693s |
| 5 | Alexander Albon | THA | Aston Martin Red Bull Racing Honda | + 1.066s |
| 6 | Max Verstappen | NED | Aston Martin Red Bull Racing Honda | + 1.174s |
| 7 | Carlos Sainz | ESP | McLaren F1 Team | + 1.315s |
| 8 | Lando Norris | GBR | McLaren F1 Team | + 1.517s |
| 9 | Nico Hulkenberg | GER | Renault F1 Team | + 1.926s |
| 10 | Daniel Ricciardo | AUS | Renault F1 Team | + 1.961s |
| 11 | Lance Stroll | CAN | SportPesa Racing Point F1 Team | + 2.017s |
| 12 | Pierre Gasly | FRA | Red Bull Toro Rosso Honda | + 2.147s |
| 13 | Kimi Raikkonen | FIN | Alfa Romeo Racing | + 2.761s |
| 14 | Sergio Perez | MEX | SportPesa Racing Point F1 Team | + 2.793s |
| 15 | George Russell | GBR | ROKiT Williams Racing | + 2.964s |
| 16 | Antonio Giovinazzi | ITA | Alfa Romeo Racing | + 2.977s |
| 17 | Kevin Magnussen | DEN | Rich Energy Haas F1 Team | + 3.302s |
| 18 | Romain Grosjean | FRA | Rich Energy Haas F1 Team | + 3.350s |
| 19 | Robert Kubica | POL | ROKiT Williams Racing | + 3.762s |
| 20 | Daniil Kvyat | RUS | Red Bull Toro Rosso Honda | no time |
