Circuit de Spa-Francorchamps · 25 August 1991
Ayrton Senna won the 1991 Belgian Grand Prix for McLaren from 1st on the grid, 1.901s ahead of Gerhard Berger. Emanuele Pirro gained the most places, from 25th on the grid to 8th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | McLaren Senna 10 + Berger 6 | Senna 10 + Berger 6 | 16 | |
| 2 | Benetton Piquet 4 + Moreno 3 | Piquet 4 + Moreno 3 | 7 | |
| 3 | Williams Patrese 2 + Mansell 0 | Patrese 2 + Mansell 0 | 2 | |
| 4 | Brabham Blundell 1 + Brundle 0 | Blundell 1 + Brundle 0 | 1 | |
| 5 | Team Lotus Herbert 0 + Häkkinen 0 | Herbert 0 + Häkkinen 0 | 0 | |
| 6 | Dallara Pirro 0 + Järvilehto 0 | Pirro 0 + Järvilehto 0 | 0 | |
| 7 | Fondmetal Grouillard 0 | Grouillard 0 | 0 | |
| 8 | Ligier Boutsen 0 + Comas 0 | Boutsen 0 + Comas 0 | 0 | |
| 9 | Minardi Martini 0 + Morbidelli 0 | Martini 0 + Morbidelli 0 | 0 | |
| 10 | Jordan de Cesaris 0 + Schumacher 0 | de Cesaris 0 + Schumacher 0 | 0 | |
| 11 | Tyrrell Modena 0 + Nakajima 0 | Modena 0 + Nakajima 0 | 0 | |
| 12 | Ferrari Alesi 0 + Prost 0 | Alesi 0 + Prost 0 | 0 | |
| 13 | Lola Bernard 0 | Bernard 0 | 0 | |
| 14 | Leyton House Capelli 0 + Gugelmin 0 | Capelli 0 + Gugelmin 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Ayrton Senna McLaren | McLaren | 1:27:17.669 | 44 | — | 10 | |
| 2 | Gerhard Berger McLaren | McLaren | +1.901s | 44 | — | 6 | |
| 3 | Nelson Piquet Benetton | Benetton | +32.176s | 44 | — | 4 | |
| 4 | Roberto Moreno Benetton | Benetton | +37.310s | 44 | — | 3 | |
| 5 | Riccardo Patrese Williams | Williams | +57.187s | 44 | — | 2 | |
| 6 | Mark Blundell Brabham | Brabham | +1:40.035 | 44 | — | 1 | |
| 7 | Johnny Herbert Team Lotus | Team Lotus | +1:44.599 | 44 | — | — | |
| 8 | Emanuele Pirro Dallara | Dallara | +1 Lap | 43 | — | — | |
| 9 | Martin Brundle Brabham | Brabham | +1 Lap | 43 | — | — | |
| 10 | Olivier Grouillard Fondmetal | Fondmetal | +1 Lap | 43 | — | — | |
| 11 | Thierry Boutsen Ligier | Ligier | +1 Lap | 43 | — | — | |
| 12 | Pierluigi Martini Minardi | Minardi | DNF Gearbox | 42 | — | — | |
| 13 | Andrea de Cesaris Jordan | Jordan | DNF Engine | 41 | — | — | |
| DNF | Stefano Modena Tyrrell | Tyrrell | DNF Oil leak | 33 | — | — | |
| DNF | Jyrki Järvilehto Dallara | Dallara | DNF Oil pressure | 33 | — | — | |
| DNF | Jean Alesi Ferrari | Ferrari | DNF Engine | 30 | — | — | |
| DNF | Gianni Morbidelli Minardi | Minardi | DNF Gearbox | 29 | — | — | |
| DNF | Mika Häkkinen Team Lotus | Team Lotus | DNF Engine | 25 | — | — | |
| DNF | Érik Comas Ligier | Ligier | DNF Engine | 25 | — | — | |
| DNF | Nigel Mansell Williams | Williams | DNF Electrical | 22 | — | — | |
| DNF | Éric Bernard Lola | Lola | DNF Gearbox | 21 | — | — | |
| DNF | Ivan Capelli Leyton House | Leyton House | DNF Engine | 13 | — | — | |
| DNF | Satoru Nakajima Tyrrell | Tyrrell | DNF Spun off | 7 | — | — | |
| DNF | Alain Prost Ferrari | Ferrari | DNF Fuel leak | 2 | — | — | |
| DNF | Maurício Gugelmin Leyton House | Leyton House | DNF Engine | 1 | — | — | |
| DNF | Michael Schumacher Jordan | Jordan | DNF Clutch | 0 | — | — |