John Marshall Watson, MBE (born 4 May 1946) is a British former racing driver and current commentator from Northern Ireland. He competed in Formula One, winning five Grands Prix and was third in the 1982 championship. He also competed in the World Sportscar Championship finishing second in the 1987 championship. After his retirement from motorsport, he became a commentator for Eurosport's coverage of Formula One from 1989 to 1996. He currently commentates on the GT World Challenge Europe and is commentating on the 2022 Miami F1 Grand Prix.
| 1983 |  |
Dutch Grand Prix | McLaren-Ford | 3rd | 4 |
| 1983 |  |
United States Grand Prix East | McLaren-Ford | 3rd | 4 |
| 1983 | |
United States Grand Prix West | McLaren-Ford | 1st | 9 |
| 1982 | |
Las Vegas Grand Prix | McLaren-Ford | 2nd | 6 |
| 1982 |  |
Canadian Grand Prix | McLaren-Ford | 3rd | 4 |
| 1982 | |
United States Grand Prix East | McLaren-Ford | 1st | 9 |
| 1982 |  |
Belgian Grand Prix | McLaren-Ford | 1st | 9 |
| 1982 |  |
Brazilian Grand Prix | McLaren-Ford | 2nd | 6 |
| 1981 | |
Canadian Grand Prix | McLaren-Ford | 2nd | 6 |
| 1981 | |
British Grand Prix | McLaren-Ford | 1st | 9 |
| 1981 |  |
French Grand Prix | McLaren-Ford | 2nd | 6 |
| 1981 |  |
Spanish Grand Prix | McLaren-Ford | 3rd | 4 |
| 1979 |  |
Argentine Grand Prix | McLaren-Ford | 3rd | 4 |
| 1978 |  |
Italian Grand Prix | Brabham-Alfa Romeo | 2nd | 6 |
| 1978 | |
British Grand Prix | Brabham-Alfa Romeo | 3rd | 4 |
| 1978 |  |
South African Grand Prix | Brabham-Alfa Romeo | 3rd | 4 |
| 1977 | |
French Grand Prix | Brabham-Alfa Romeo | 2nd | 6 |
| 1976 |  |
Austrian Grand Prix | Penske-Ford | 1st | 9 |
| 1976 | |
British Grand Prix | Penske-Ford | 3rd | 4 |
| 1976 | |
French Grand Prix | Penske-Ford | 3rd | 4 |