Jim Clark won the South African Grand Prix 1968 at Kyalami on 1 January 1968, starting from pole position. Graham Hill finished second for Lotus-Ford, with Jochen Rindt completing the podium for Brabham-Repco.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 1 | Jim ClarkCLA | Lotus-Ford | 80 | 1:53:56.6 | 9 | |
| 2 | 2 | Graham HillHIL | Lotus-Ford | 80 | +25.3 | 6 | |
| 3 | 4 | Jochen RindtRIN | Brabham-Repco | 80 | +30.4 | 4 | |
| 4 | 8 | Chris AmonAMO | Ferrari | 78 | +2 Laps | 3 | |
| 5 | 9 | Denny HulmeHUL | McLaren-BRM | 78 | +2 Laps | 2 | |
| 6 | 18 | Jean-Pierre BeltoiseBEL | Matra-Ford | 77 | +3 Laps | 1 | |
| 7 | 16 | Jo SiffertSIF | Cooper-Maserati | 77 | +3 Laps | 0 | |
| 8 | 6 | John SurteesSUR | Honda | 75 | +5 Laps | 0 | |
| 9 | 17 | John LoveLOV | Brabham-Repco | 75 | +5 Laps | 0 | |
| N | 23 | Jackie PretoriusPRE | Brabham-Climax | 71 | Not classified | 0 | |
| R | 12 | Dan GurneyGUR | Eagle-Weslake | 58 | Oil leak | 0 | |
| R | 11 | Jacky IckxICK | Ferrari | 51 | Oil leak | 0 | |
| R | 19 | Jo BonnierBON | Cooper-Maserati | 46 | Overheating | 0 | |
| R | 3 | Jackie StewartSTE | Matra-Ford | 43 | Engine | 0 | |
| R | 22 | Sam TingleTIN | LDS | 35 | Overheating | 0 | |
| R | 20 | Basil van RooyenVAN | Cooper-Climax | 22 | Engine | 0 | |
| R | 10 | Pedro RodríguezROD | BRM | 20 | Fuel system | 0 | |
| R | 5 | Jack BrabhamBRA | Brabham-Repco | 16 | Engine | 0 | |
| R | 7 | Andrea de AdamichDEA | Ferrari | 13 | Accident | 0 | |
| R | 14 | Mike SpenceSPE | BRM | 7 | Fuel system | 0 | |
| R | 21 | Brian RedmanRED | Cooper-Maserati | 4 | Oil leak | 0 | |
| R | 14 | Dave CharltonCHA | Brabham-Repco | 3 | Differential | 0 | |
| R | 15 | Ludovico ScarfiottiSCA | Cooper-BRM | 2 | Water pipe | 0 |