1999 South African motorcycle Grand Prix
The 1999 South African motorcycle Grand Prix was the fourteenth round of the 1999 Grand Prix motorcycle racing season. It took place on 10 October 1999 at Phakisa Freeway.250 cc classification
125 cc classification
Championship standings after the race (500cc)
Below are the standings for the top five riders and constructors after round fourteen has concluded.
;Riders' Championship standings
;Constructors' Championship standings
| Constructor | Points |
| 1 |  Honda | 314 |
| 2 | Yamaha | 235 |
| 3 | Suzuki | 190 |
| 4 |  Aprilia | 95 |
| 5 | TSR-Honda | 54 |
- Note: Only the top five positions are included for both sets of standings.
Àlex Crivillé
Kenny Roberts Jr.