1981 Formula One season Drivers and constructors Drivers and constructors

| Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Miguel Ángel Guerra | 1-4 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Piercarlo Ghinzani | 5 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Beppe Gabbiani | 6-15 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Beppe Gabbiani | 1-5 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Piercarlo Ghinzani | 6 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Giorgio Francia | 7 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Miguel Ángel Guerra | 8 |
| Osella - Ford | FA1B FA1C | Ford Cosworth DFV 3.0 V8 | M | Jean-Pierre Jarier | 9-15 |