1975 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Team Surtees National Organs Team Surtees | Surtees - Ford | TS16 | Ford Cosworth DFV 3.0 V8 | G | John Watson | 1-10, 12 |
| Team Surtees National Organs Team Surtees | Surtees - Ford | TS16 | Ford Cosworth DFV 3.0 V8 | G | Dave Morgan | 10 |
| Frank Williams Racing Cars | Williams - Ford | FW FW04 | Ford Cosworth DFV 3.0 V8 | G | Arturo Merzario | 1-6 |
| Frank Williams Racing Cars | Williams - Ford | FW FW04 | Ford Cosworth DFV 3.0 V8 | G | Damien Magee | 7 |
| Frank Williams Racing Cars | Williams - Ford | FW FW04 | Ford Cosworth DFV 3.0 V8 | G | Ian Scheckter | 8 |
| Frank Williams Racing Cars | Williams - Ford | FW FW04 | Ford Cosworth DFV 3.0 V8 | G | François Migault | 9 |