Kết quả phiên chạy FP3 của chặng đua GP Qatar 2021:
| Stt | Tay đua | Xe | Thời gian | Kh/cách | Lap |
| 1 | Valtteri Bottas | MERCEDES | 1:22.310 | 17 | |
| 2 | Lewis Hamilton | MERCEDES | 1:22.388 | +0.078s | 16 |
| 3 | Max Verstappen | RED BULL | 1:22.651 | +0.341s | 10 |
| 4 | Pierre Gasly | ALPHATAURI | 1:22.835 | +0.525s | 17 |
| 5 | Sergio Perez | RED BULL | 1:22.846 | +0.536s | 14 |
| 6 | Carlos Sainz | FERRARI | 1:23.048 | +0.738s | 17 |
| 7 | Fernando Alonso | ALPINE | 1:23.186 | +0.876s | 13 |
| 8 | Esteban Ocon | ALPINE | 1:23.209 | +0.899s | 18 |
| 9 | Charles Leclerc | FERRARI | 1:23.276 | +0.966s | 17 |
| 10 | Yuki Tsunoda | ALPHATAURI | 1:23.567 | +1.257s | 20 |
| 11 | Daniel Ricciardo | MCLAREN | 1:23.711 | +1.401s | 14 |
| 12 | Sebastian Vettel | ASTON MARTIN | 1:23.884 | +1.574s | 17 |
| 13 | Lando Norris | MCLAREN | 1:23.895 | +1.585s | 16 |
| 14 | George Russell | WILLIAMS | 1:23.923 | +1.613s | 17 |
| 15 | Lance Stroll | ASTON MARTIN | 1:24.154 | +1.844s | 17 |
| 16 | Kimi Räikkönen | ALFA ROMEO | 1:24.246 | +1.936s | 19 |
| 17 | Antonio Giovinazzi | ALFA ROMEO | 1:24.288 | +1.978s | 17 |
| 18 | Nicholas Latifi | WILLIAMS | 1:24.499 | +2.189s | 15 |
| 19 | Mick Schumacher | HAAS | 1:24.680 | +2.370s | 20 |
| 20 | Nikita Mazepin | HAAS | 1 |
Nguồn: Tổng hợp
