The 1965 German Grand Prix was a Formula One motor race held at Nürburgring on August 1, 1965. It was race 7 of 10 in both the 1965 World Championship of Drivers and the 1965 International Cup for Formula One Manufacturers. The 15-lap race was won by Jim Clark, who in his Lotus-Climax, took pole position, the fastest lap of the race, and led every lap. The victory ensured that Clark won the World Championship of Drivers with three races left to go. It also meant that Lotus won the 1965 International Cup for Formula One Manufacturers at the same time. BRM driver, Graham Hill, finished the race in second position in front of Brabham-Climax driver, Dan Gurney, who completed the podium by finishing third. Clark's victory was his 3rd grand slam of the season and the final grand slam of his career.

The 1965 Formula One season was the 19th season of FIA Formula One racing. It featured the 16th World Championship of Drivers, the 8th International Cup for F1 Manufacturers, and seven non-championship races open to Formula One cars. The World Championship was contested over ten races between 1 January and 24 October 1965.