The 1970 South African Grand Prix, formally titled the Fourth AA Grand Prix of South Africa (Afrikaans: Vierde AA Suid-Afrikaanse Grand Prix[1]), was a Formula One motor race held at Kyalami Circuit on 7 March 1970.

It was race 1 of 13 in both the 1970 World Championship of Drivers and the 1970 International Cup for Formula One Manufacturers.

It was also the 14th and last Formula One victory for triple world champion Jack Brabham, and at age 43, was the last driver to win a Formula One race over the age of 40 until Nigel Mansell at the 1994 Australian Grand Prix.

[2] Two time World Champion and five time Monaco Grand Prix winner Graham Hill, driving a Lotus 49C for Rob Walker, made his return to racing after a life-threatening crash in the 1969 United States Grand Prix.

[2] Despite extensive knee surgery that left Hill with minimal mobility, he finished sixth.