Autodromo Nazionale di Monza · 13 September 1981
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Williams Jones 6 + Reutemann 4 | Jones 6 + Reutemann 4 | 10 | |
| 2 | Renault Prost 9 + Arnoux 0 | Prost 9 + Arnoux 0 | 9 | |
| 3 | Team Lotus Angelis 3 + Mansell 0 | Angelis 3 + Mansell 0 | 3 | |
| 4 | Ferrari Pironi 2 + Villeneuve 0 | Pironi 2 + Villeneuve 0 | 2 | |
| 5 | Brabham Piquet 1 + Rebaque 0 | Piquet 1 + Rebaque 0 | 1 | |
| 6 | McLaren Cesaris 0 + Watson 0 | Cesaris 0 + Watson 0 | 0 | |
| 7 | Alfa Romeo Giacomelli 0 + Andretti 0 | Giacomelli 0 + Andretti 0 | 0 | |
| 8 | Osella Jarier 0 | Jarier 0 | 0 | |
| 9 | Toleman Henton 0 | Henton 0 | 0 | |
| 10 | March Daly 0 | Daly 0 | 0 | |
| 11 | Ligier Tambay 0 + Laffite 0 | Tambay 0 + Laffite 0 | 0 | |
| 12 | Arrows Patrese 0 | Patrese 0 | 0 | |
| 13 | Tyrrell Alboreto 0 + Cheever 0 | Alboreto 0 + Cheever 0 | 0 | |
| 14 | Ensign Salazar 0 | Salazar 0 | 0 | |
| 15 | ATS Borgudd 0 | Borgudd 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Alain Prost Renault | Renault | 1:26:36.897 | 52 | — | 9 | |
| 2 | Alan Jones Williams | Williams | +22.175s | 52 | — | 6 | |
| 3 | Carlos Reutemann Williams | Williams | +50.587s | 52 | — | 4 | |
| 4 | Elio de Angelis Team Lotus | Team Lotus | +1:32.902 | 52 | — | 3 | |
| 5 | Didier Pironi Ferrari | Ferrari | +1:34.522 | 52 | — | 2 | |
| 6 | Nelson Piquet Brabham | Brabham | — | 51 | — | 1 | |
| 7 | Andrea de Cesaris McLaren | McLaren | — | 51 | — | — | |
| 8 | Bruno Giacomelli Alfa Romeo | Alfa Romeo | — | 50 | — | — | |
| 9 | Jean-Pierre Jarier Osella | Osella | — | 50 | — | — | |
| 10 | Brian Henton Toleman | Toleman | — | 49 | — | — | |
| 11 | Mario Andretti Alfa Romeo | Alfa Romeo | — | 40 | — | — | |
| 12 | Derek Daly March | March | — | 36 | — | — | |
| 13 | Patrick Tambay Ligier | Ligier | — | 22 | — | — | |
| 14 | Nigel Mansell Team Lotus | Team Lotus | — | 21 | — | — | |
| 15 | John Watson McLaren | McLaren | — | 19 | — | — | |
| 16 | Riccardo Patrese Arrows | Arrows | — | 18 | — | — | |
| 17 | Michele Alboreto Tyrrell | Tyrrell | — | 17 | — | — | |
| 18 | Eliseo Salazar Ensign | Ensign | — | 13 | — | — | |
| 19 | René Arnoux Renault | Renault | — | 12 | — | — | |
| 20 | Jacques Laffite Ligier | Ligier | — | 11 | — | — | |
| 21 | Eddie Cheever Tyrrell | Tyrrell | — | 11 | — | — | |
| 22 | Slim Borgudd ATS | ATS | — | 10 | — | — | |
| 23 | Gilles Villeneuve Ferrari | Ferrari | — | 5 | — | — | |
| 24 | Hector Rebaque Brabham | Brabham | — | 1 | — | — |