1981 FIA Formula One World Championship
- Drivers' champion
- Nelson Piquet
- Team
- Brabham
- Points
- 50
- Runner-up
- Carlos Reutemann — 49
- Margin
- 1
- Constructors' champion
- Williams
- Rounds
- 15
- Engine formula
- 3.0 L naturally aspirated / 1.5 L turbocharged
- Tyres
- Goodyear, Michelin
Sliding skirts banned; Brabham's hydropneumatic ride-height system exploited the letter of the rule. Concorde Agreement signed, ending the FISA-FOCA war.
Races
Championship standings after round 15
| Pos | Driver | Team | Points |
|---|---|---|---|
| 1 | Nelson Piquet | — | 50 |
| 2 | Carlos Reutemann | — | 49 |
| 3 | Alan Jones | — | 46 |
| 4 | Jacques Laffite | — | 44 |
| 5 | Alain Prost | — | 43 |
| 6 | John Watson | — | 27 |
| 7 | Gilles Villeneuve | — | 25 |
| 8 | Elio de Angelis | — | 14 |
| 9 | Rene Arnoux | — | 11 |
| 10 | Héctor Rebaque | — | 11 |
| 11 | Riccardo Patrese | — | 10 |
| 12 | Eddie Cheever | — | 10 |