1981 Formula One season Drivers and constructors Drivers and constructors

| Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|
| Lotus - Ford | 81B 87 88 88B | Ford Cosworth DFV 3.0 V8 | M G | Elio de Angelis | 1-3, 5-15 |
| Lotus - Ford | 81B 87 88 88B | Ford Cosworth DFV 3.0 V8 | M G | Nigel Mansell | 1-3, 5-15 |
| Ensign - Ford | N180B | Ford Cosworth DFV 3.0 V8 | M A | Marc Surer | 1-6 |
| Ensign - Ford | N180B | Ford Cosworth DFV 3.0 V8 | M A | Ricardo Londoño | 2 |
| Ensign - Ford | N180B | Ford Cosworth DFV 3.0 V8 | M A | Eliseo Salazar | 7-15 |
| Renault | RE20B RE30 | Renault-Gordini EF1 1.5 V6 t | M | Alain Prost | All |
| Renault | RE20B RE30 | Renault-Gordini EF1 1.5 V6 t | M | René Arnoux | All |
| March - Ford | 811 | Ford Cosworth DFV 3.0 V8 | M A | Derek Daly | 1-3, 7-15 |