Countdown to
000d 00h 00m 00s1991 Monaco Grand Prix
| Overview | Grid | Penalties | Race Entries |
| Race | Qualifying | Pre-qualifying |
| P | No | Driver | Constructor | Time | Gap | % | Avg Speed | Laps | |
| 1 | 22 | JJ Lehto | Dallara-Judd | 1:23.260 | 100.0 | 143.896 | |||
| 2 | 33 | Andrea de Cesaris | Jordan-Ford Cosworth | 1:23.538 | 0.278 | 100.3 | 143.417 | ||
| 3 | 21 | Emanuele Pirro | Dallara-Judd | 1:24.421 | 1.161 | 101.4 | 141.917 | ||
| 4 | 32 | Bertrand Gachot | Jordan-Ford Cosworth | 1:24.802 | 1.542 | 101.9 | 141.280 | ||
| (5) | 34 | Nicola Larini | Lambo-Lamborghini | 1:25.893 | 2.633 | 103.2 | 139.485 | ||
| (6) | 35 | Eric van de Poele | Lambo-Lamborghini | 1:26.282 | 3.022 | 103.6 | 138.856 | ||
| (7) | 31 | Pedro Chaves | Coloni-Ford Cosworth | 1:27.389 | 4.129 | 105.0 | 137.097 | ||
| (8) | 14 | Olivier Grouillard | Fondmetal-Ford Cosworth | 1:27.759 | 4.499 | 105.4 | 136.519 |