The 1975 Austrian Grand Prix was a Formula One motor race held at Österreichring on 17 August 1975. It was race 12 of 14 in both the 1975 World Championship of Drivers and the 1975 International Cup for Formula One Manufacturers. It was the eighth Austrian Grand Prix and the sixth to be held at the Österreichring. It was held over 29 of the scheduled 54 laps of the six kilometre circuit for a race distance of 171 kilometres. The race was shortened by heavy rain, meaning that only half points were awarded. The weekend itself was marred by the deaths of Mark Donohue and a track marshal in a practice crash.

The 1975 Formula One season was the 29th season of FIA Formula One motor racing. It featured the 1975 World Championship of F1 Drivers and the 1975 International Cup for F1 Manufacturers which were contested concurrently from 12 January to 5 October over fourteen races. The season also included three non-championship Formula One races and a nine race South African Formula One Championship.