The 1985 European Grand Prix was a Formula One motor race held at Brands Hatch on 6 October 1985. It was the fourteenth race of the 1985 Formula One World Championship.

The race was won by Nigel Mansell, driving a Williams-Honda. It was Mansell's first Formula One victory in his 72nd race start. Ayrton Senna finished second in a Lotus-Renault, having started from pole position, while Mansell's teammate Keke Rosberg finished third. Alain Prost finished fourth in his McLaren-TAG which, combined with Michele Alboreto's retirement with a turbo failure, secured the Frenchman his first Drivers' Championship.