Osella
Piercarlo Ghinzani terminó P19 en el Campeonato del Mundo de 1984 con 2 puntos. En 15 carreras: 0 victorias, 0 podios y 0 pole positions — mejor resultado P5.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Brazilian Grand Prix | Osella | 21 | P18 | Gearbox | |
| 2 | South African Grand Prix | Osella | — | P27 | Withdrew | |
| 3 | Belgian Grand Prix | Osella | 20 | P22 | Transmission | |
| 5 | French Grand Prix | Osella | 25 | P12 | +5 Laps | |
| 6 | Monaco Grand Prix | Osella | 19 |
| P7 |
| +1 Lap |
| 7 | Canadian Grand Prix | Osella | 19 | P24 | Gearbox |
| 8 | Detroit Grand Prix | Osella | 26 | P22 | Accident |
| 9 | Dallas Grand Prix | Osella | 18 | P5 | 2 | +2 Laps |
| 10 | British Grand Prix | Osella | 21 | P9 | +3 Laps |
| 11 | German Grand Prix | Osella | 21 | P16 | Electrical |
| 12 | Austrian Grand Prix | Osella | 23 | P25 | Gearbox |
| 13 | Dutch Grand Prix | Osella | 21 | P26 | Fuel pump |
| 14 | Italian Grand Prix | Osella | 22 | P7 | Out of fuel |
| 15 | European Grand Prix | Osella | 20 | P26 | Accident |
| 16 | Portuguese Grand Prix | Osella | 22 | P18 | Engine |