1966 Formula One season Teams and drivers Teams and drivers

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Caltex Racing Team | Brabham - Ford | BT18 | Ford Cosworth SCA 1.0 L4 | D | Kurt Ahrens, Jr. | 6 |
| Tyrrell Racing Organisation | Matra - BRM | MS5 | BRM 1.0 L4 | D | Hubert Hahne | 6 |
| Tyrrell Racing Organisation | Matra - Ford | MS5 | Ford Cosworth SCA 1.0 L4 | D | Jacky Ickx | 6 |
| Roy Winkelmann Racing | Brabham - Ford | BT18 | Ford Cosworth SCA 1.0 L4 | D | Hans Herrmann | 6 |
| Roy Winkelmann Racing | Brabham - Ford | BT18 | Ford Cosworth SCA 1.0 L4 | D | Alan Rees | 6 |
| Matra Sports | Matra - Ford | MS5 | Ford Cosworth SCA 1.0 L4 | D | Jo Schlesser | 6 |
| Matra Sports | Matra - Ford | MS5 | Ford Cosworth SCA 1.0 L4 | D | Jean-Pierre Beltoise | 6 |