1978 South African Grand Prix

The 1978 South African Grand Prix (formally the XXIV Citizen and Asseng Grand Prix of South Africa) was a Formula One motor race held on 4 March 1978 at Kyalami. It was the third round of the 1978 Formula One season and the 300th World Championship Grand Prix held since the championship began in 1950. This was the debut race of the future world champion Keke Rosberg.

The Ferrari (312T3) and Brabham (BT46) teams had new cars in Kyalami for the race. The event also saw the return of Renault with its unique turbocharged car.