1966 FIA Formula One World Championship
- Drivers' champion
- Sir Jack Brabham
- Team
- Brabham
- Points
- 42
- Runner-up
- John Surtees — 28
- Margin
- 14
- Constructors' champion
- Brabham
- Rounds
- 9
- Engine formula
- 3.0 L naturally aspirated / 1.5 L forced induction
- Tyres
- Dunlop, Firestone, Goodyear
The 3.0 L formula begins — 'the return of power'. Brabham is still the only man to win the title in a car bearing his own name.
Races
| Rd | Grand Prix | Circuit | Dates | Winner | Constructor | Pole | Fastest lap |
|---|---|---|---|---|---|---|---|
| 1 | Monaco Grand Prix | Circuit de Monaco | — | Sir Jackie Stewart | BRM | Jim Clark | Lorenzo Bandini |
| 2 | Belgian Grand Prix | Circuit de Spa-Francorchamps | — | John Surtees | Ferrari | John Surtees | John Surtees |
| 3 | French Grand Prix | Reims-Gueux | — | Sir Jack Brabham | Brabham | Lorenzo Bandini | Lorenzo Bandini |
| 4 | British Grand Prix | Brands Hatch | — | Sir Jack Brabham | Brabham | Sir Jack Brabham | Sir Jack Brabham |
| 5 | Dutch Grand Prix | Circuit Zandvoort | — | Sir Jack Brabham | Brabham | Sir Jack Brabham | Denny Hulme |
| 6 | German Grand Prix | Nurburgring Nordschleife | — | Sir Jack Brabham | Brabham | Jim Clark | John Surtees |
| 7 | Italian Grand Prix | Autodromo Nazionale Monza | — | Ludovico Scarfiotti | Ferrari | Mike Parkes | Ludovico Scarfiotti |
| 8 | United States Grand Prix | Watkins Glen | — | Jim Clark | Team Lotus | Sir Jack Brabham | John Surtees |
| 9 | Mexican Grand Prix | Autodromo Hermanos Rodriguez | — | John Surtees | Cooper | John Surtees | Richie Ginther |
Championship standings after round 9
| Pos | Driver | Team | Points |
|---|---|---|---|
| 1 | Sir Jack Brabham | — | 42 |
| 2 | John Surtees | — | 28 |
| 3 | Jochen Rindt | — | 22 |
| 4 | Denny Hulme | — | 18 |
| 5 | Graham Hill | — | 17 |
| 6 | Jim Clark | — | 16 |
| 7 | Sir Jackie Stewart | — | 14 |
| 8 | Mike Parkes | — | 12 |
| 9 | Lorenzo Bandini | — | 12 |
| 10 | Ludovico Scarfiotti | — | 9 |
| 11 | Richie Ginther | — | 5 |
| 12 | Dan Gurney | — | 4 |