| Mountain | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Stuurmanskop | Province of Eastern Cape | -33.7583333 | 24.2830556 | 839 | 2753 |
| Stuurmanskoppe | Province of Northern Cape | -31.4 | 20.0666667 | 1152 | 3780 |
| Sugarloaf Hill | Limpopo Province | -24.1333333 | 29.2333333 | 1554 | 5098 |
| Sugarloaf Peak | Province of the Western Cape | -32.5333333 | 19.2333333 | 1043 | 3422 |
| Suikerboskop | Province of Eastern Cape | -31.2833333 | 28.1166667 | 1403 | 4603 |
| Suikerboskoppie | Limpopo Province | -23.8666667 | 29.8833333 | 1789 | 5869 |
| Suikerboslaagte | Province of the Western Cape | -33.8333333 | 22.6166667 | 835 | 2740 |
| Suikerbosplaat | Province of Northern Cape | -31.8333333 | 19.2333333 | 708 | 2323 |
| Suikerbosrant | Province of North-West | -25.8833333 | 26.4666667 | 1616 | 5302 |
| Sundu | Province of KwaZulu-Natal | -28.45 | 30.75 | 1339 | 4393 |
| Sungubala | NA | -28.6 | 28.95 | 2002 | 6568 |
| Suringkop | Free State | -28.2833333 | 27.8833333 | 1611 | 5285 |
| Surprise Ridge | Province of KwaZulu-Natal | -28.6333333 | 28.95 | 1700 | 5577 |
| Suthu | Province of KwaZulu-Natal | -28 | 31.5 | 292 | 958 |
| Suurberg | Province of Eastern Cape | -32.2333333 | 24.2666667 | 1301 | 4268 |
| Suurberg | Province of Northern Cape | -30.1333333 | 17.8 | 809 | 2654 |
| Suurberg | Province of Eastern Cape | -33.5 | 23.9166667 | 872 | 2861 |
| Suurberg | Province of the Western Cape | -34.0166667 | 18.9 | 384 | 1260 |
| Suurberg | Province of Eastern Cape | -33.85 | 23.7166667 | 854 | 2802 |
| Suurberg | Province of the Western Cape | -33.3833333 | 20.2 | 1217 | 3993 |
