Constructors Standings
| 1981 Constructors Standings | |||
| Pos | Constructor | Points | |
| 1 | Williams-Ford | 95 | |
| 2 | Brabham-Ford | 61 | |
| 3 | Renault | 54 | |
| 4 | Ligier-Matra | 44 | |
| 5 | Ferrari | 34 | |
| 6 | McLaren-Ford | 28 | |
| 7 | Lotus-Ford | 22 | |
| 8 | Arrows-Ford | 10 | |
| 9 | Alfa Romeo | 10 | |
| 10 | Tyrrell-Ford | 10 | |
| 11 | Ensign-Ford | 5 | |
| 12 | Theodore-Ford | 1 | |
| 13 | ATS-Ford | 1 | |
| 14 | March-Ford | 0 | |
| 15 | Fittipaldi-Ford | 0 | |
| 16 | Osella-Ford | 0 | |
| 17 | Toleman-Hart | 0 | |
| View race by race | |||