| GP of Italy Monza 10-9-1978, 52 laps of 5,8 km, total distance 301.600 m | |||||
| Pos | No | Driver | Team-engine | Diff | Reason |
| 1 | 1 | Niki Lauda | Brabham-Alfa Romeo BT46 | 1:07:04.54 | - |
| 2 | - | John Watson | Brabham-Alfa Romeo BT46 | -1.48 | - |
| 3 | - | Carlos Reutemann | Ferrari 312T3 | -20.47 | - |
| 4 | - | Jacques Laffite | Ligier-Matra JS9 | -37.53 | - |
| 5 | - | Patrick Tambay | McLaren-Ford M26 | -40.39 | - |
| 6 | - | Mario Andretti | Lotus-Ford 79 | -46.33 | - |
| 7 | - | Gilles Villeneuve | Ferrari 312T3 | -48.48 | - |
| 8 | - | Emerson Fittipaldi | Copersucar-Ford F5A | -55.24 | - |
| 9 | - | Nelson Piquet | McLaren-Ford M23 | -1:06.83 | - |
| 10 | - | Derek Daly | Ensign-Ford N177 | -1:09.11 | - |
| 11 | - | Patrick Depailler | Tyrrell-Ford 008 | -1:16.57 | - |
| 12 | - | Jody Scheckter | Wolf-Ford WR5 | -1 lap | - |
| 13 | - | Alan Jones | Williams-Ford FW06 | -1 lap | - |
| 14 | - | Bruno Giacomelli | McLaren-Ford M26 | -1 lap | - |
| 15 | - | Clay Regazzoni | Shadow-Ford DN9 | -7 laps | - |
| 16 | 35 | Riccardo Patrese | Arrows-Ford FA1 | -12 laps | Engine |
| 17 | - | James Hunt | McLaren-Ford M26 | -22 laps | Distributor |
| 18 | - | Arturo Merzario | Merzario-Ford A1 | -26 laps | Engine |
| 19 | - | Jean-Pierre Jabouille | Renault RS01 | -35 laps | Engine |
| 20 | - | Brett Lunger | McLaren-Ford M26 | -40 laps | Collision |
| 21 | - | Vittorio Brambilla | Surtees-Ford TS20 | -40 laps | Collision |
| 22 | - | Hans-Joachim Stuck | Shadow-Ford DN9 | -40 laps | Collision |
| 23 | - | Ronnie Peterson | Lotus-Ford 79 | -40 laps | Collision/Fatal |
| 24 | - | Didier Pironi | Tyrrell-Ford 008 | -40 laps | Collision |
| 25 | - | Hector Rebaque | Lotus-Ford 78 | DNQ | - |
| 26 | - | Harald Ertl | ATS-Ford HS1 | DNQ | - |
| 27 | - | Michael Bleekemolen | ATS-Ford HS1 | DNQ | - |
| 28 | - | Carlo Franchi | Surtees-Ford TS20 | DNQ | - |
| 29 | - | Rolf Stommelen | Arrows-Ford A1 | DNQ | - |
| 30 | - | Alberto Colombo | Merzario-Ford A1 | DNQ | - |
| 31 | - | Harald Ertl | Ensign-Ford N177 | DNQ | - |