1978 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyres | Driver | Rounds |
|---|---|---|---|---|---|---|
| Theodore Racing Theodore Racing Hong Kong | Wolf - Ford | WR3 WR4 | Ford Cosworth DFV 3.0 V8 | G | Keke Rosberg | 11-14 |
| Team Merzario | Merzario - Ford | A1 | Ford Cosworth DFV 3.0 V8 | G | Alberto Colombo | 14 |
| Team Merzario | Merzario - Ford | A1 | Ford Cosworth DFV 3.0 V8 | G | Arturo Merzario | All |
| Arrows Racing Team | Arrows - Ford | FA1 A1 | Ford Cosworth DFV 3.0 V8 | G | Riccardo Patrese | 2-14, 16 |
| Arrows Racing Team | Arrows - Ford | FA1 A1 | Ford Cosworth DFV 3.0 V8 | G | Rolf Stommelen | 3-16 |
| Interscope Racing | Shadow - Ford | DN9 | Ford Cosworth DFV 3.0 V8 | G | Danny Ongais | 4, 13 |
| Melchester Racing | McLaren - Ford | M23 | Ford Cosworth DFV 3.0 V8 | G | Tony Trimmer | 10 |