1981 Formula One season Drivers and constructors Drivers and constructors

| Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|
| Ligier - Matra | JS17 | Matra MS81 3.0 V12 | M | Jean-Pierre Jabouille | 3-7 |
| Ligier - Matra | JS17 | Matra MS81 3.0 V12 | M | Patrick Tambay | 8-15 |
| Ligier - Matra | JS17 | Matra MS81 3.0 V12 | M | Jacques Laffite | All |
| Ferrari | 126CK | Ferrari 021 1.5 V6 t | M | Gilles Villeneuve | All |
| Ferrari | 126CK | Ferrari 021 1.5 V6 t | M | Didier Pironi | All |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | M P | Riccardo Patrese | All |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | M P | Siegfried Stohr | 1-13 |
| Arrows - Ford | A3 | Ford Cosworth DFV 3.0 V8 | M P | Jacques Villeneuve, Sr. | 14-15 |