Autodromo Enzo e Dino Ferrari · 14 September 1980
Nelson Piquet won the 1980 Italian Grand Prix for Brabham from 5th on the grid, 28.93s ahead of Alan Jones. Alain Prost gained the most places, from 24th on the grid to 7th.
| Pos | Team | Points Breakdown | Pts | |
|---|---|---|---|---|
| 1 | Williams Jones 6 + Reutemann 4 + Keegan 0 | Jones 6 + Reutemann 4 + Keegan 0 | 10 | |
| 2 | Brabham Piquet 9 + Rebaque 0 | Piquet 9 + Rebaque 0 | 9 | |
| 3 | Team Lotus de Angelis 3 + Andretti 0 | de Angelis 3 + Andretti 0 | 3 | |
| 4 | Fittipaldi Rosberg 2 + Fittipaldi 0 | Rosberg 2 + Fittipaldi 0 | 2 | |
| 5 | Ligier Pironi 1 + Laffite 0 | Pironi 1 + Laffite 0 | 1 | |
| 6 | McLaren Prost 0 + Watson 0 | Prost 0 + Watson 0 | 0 | |
| 7 | Ferrari Scheckter 0 + Villeneuve 0 | Scheckter 0 + Villeneuve 0 | 0 | |
| 8 | Renault Arnoux 0 + Jabouille 0 | Arnoux 0 + Jabouille 0 | 0 | |
| 9 | Osella Cheever 0 | Cheever 0 | 0 | |
| 10 | Tyrrell Jarier 0 + Daly 0 | Jarier 0 + Daly 0 | 0 | |
| 11 | ATS Surer 0 | Surer 0 | 0 | |
| 12 | Arrows Patrese 0 | Patrese 0 | 0 | |
| 13 | Alfa Romeo Giacomelli 0 + Brambilla 0 | Giacomelli 0 + Brambilla 0 | 0 |
| Pos | Driver | Team | Race time / Gap | Laps | Stops | Pts | |
|---|---|---|---|---|---|---|---|
| 1 | Nelson Piquet Brabham | Brabham | 1:38:07.520 | 60 | — | 9 | |
| 2 | Alan Jones Williams | Williams | +28.930s | 60 | — | 6 | |
| 3 | Carlos Reutemann Williams | Williams | +1:13.670 | 60 | — | 4 | |
| 4 | Elio de Angelis Team Lotus | Team Lotus | +1 Lap | 59 | — | 3 | |
| 5 | Keke Rosberg Fittipaldi | Fittipaldi | +1 Lap | 59 | — | 2 | |
| 6 | Didier Pironi Ligier | Ligier | +1 Lap | 59 | — | 1 | |
| 7 | Alain Prost McLaren | McLaren | +1 Lap | 59 | — | — | |
| 8 | Jody Scheckter Ferrari | Ferrari | +1 Lap | 59 | — | — | |
| 9 | Jacques Laffite Ligier | Ligier | +1 Lap | 59 | — | — | |
| 10 | René Arnoux Renault | Renault | +2 Laps | 58 | — | — | |
| 11 | Rupert Keegan Williams | Williams | +2 Laps | 58 | — | — | |
| 12 | Eddie Cheever Osella | Osella | +3 Laps | 57 | — | — | |
| 13 | Jean-Pierre Jarier Tyrrell | Tyrrell | DNF Brakes | 54 | — | — | |
| DNF | Jean-Pierre Jabouille Renault | Renault | DNF Gearbox | 53 | — | — | |
| DNF | Marc Surer ATS | ATS | DNF Engine | 45 | — | — | |
| DNF | Mario Andretti Team Lotus | Team Lotus | DNF Engine | 40 | — | — | |
| DNF | Riccardo Patrese Arrows | Arrows | DNF Engine | 38 | — | — | |
| DNF | Derek Daly Tyrrell | Tyrrell | DNF Accident | 33 | — | — | |
| DNF | John Watson McLaren | McLaren | DNF Wheel bearing | 20 | — | — | |
| DNF | Hector Rebaque Brabham | Brabham | DNF Suspension | 18 | — | — | |
| DNF | Emerson Fittipaldi Fittipaldi | Fittipaldi | DNF Accident | 17 | — | — | |
| DNF | Gilles Villeneuve Ferrari | Ferrari | DNF Puncture | 5 | — | — | |
| DNF | Bruno Giacomelli Alfa Romeo | Alfa Romeo | DNF Puncture | 5 | — | — | |
| DNF | Vittorio Brambilla Alfa Romeo | Alfa Romeo | DNF Spun off | 4 | — | — |