Ligier
Jacques Laffite finished P8 in the 1978 World Drivers' Championship with 19 points. Across 16 races: 0 wins, 2 podiums and 0 pole positions, with a best finish of P3.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Argentine Grand Prix | Ligier | 8 | P16 | Engine | |
| 2 | Brazilian Grand Prix | Ligier | 14 | P9 | +2 Laps | |
| 3 | South African Grand Prix | Ligier | 13 | P5 | 2 | Finished |
| 4 | United States Grand Prix West | Ligier | 14 | P5 | 2 | Finished |
| 5 | Monaco Grand Prix | Ligier | 15 |
| P19 |
| Gearbox |
| 6 | Belgian Grand Prix | Ligier | 14 | P5 | 2 | Accident |
| 7 | Spanish Grand Prix | Ligier | 10 | P3 | 4 | Finished |
| 8 | Swedish Grand Prix | Ligier | 11 | P7 | +1 Lap |
| 9 | French Grand Prix | Ligier | 10 | P7 | Finished |
| 10 | British Grand Prix | Ligier | 7 | P10 | +3 Laps |
| 11 | German Grand Prix | Ligier | 7 | P3 | 4 | Finished |
| 12 | Austrian Grand Prix | Ligier | 5 | P5 | 2 | +1 Lap |
| 13 | Dutch Grand Prix | Ligier | 6 | P8 | +1 Lap |
| 14 | Italian Grand Prix | Ligier | 8 | P4 | 3 | Finished |
| 15 | United States Grand Prix | Ligier | 10 | P11 | +1 Lap |
| 16 | Canadian Grand Prix | Ligier | 10 | P14 | Transmission |