| Mountain | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Stefaanskop | Province of the Western Cape | -33.45 | 21.3833333 | 956 | 3136 |
| Steilkop | Province of KwaZulu-Natal | -29.2333333 | 30.2 | 1667 | 5469 |
| Stellasiekop | Province of KwaZulu-Natal | -28.0666667 | 29.6833333 | 1372 | 4501 |
| Stellenboschberg | Province of the Western Cape | -33.9666667 | 18.9 | 862 | 2828 |
| Sterkkop | Province of Eastern Cape | -31.05 | 27.2 | 1613 | 5292 |
| Stinkhoutberg | Province of Eastern Cape | -33.7011111 | 24.9513889 | 935 | 3068 |
| Stoffelskop | Province of Eastern Cape | -31.9333333 | 26.5666667 | 1187 | 3894 |
| Stofkraal se Kop | Province of Northern Cape | -29.7833333 | 18.2 | 988 | 3241 |
| Stokberg | Province of Northern Cape | -30.4833333 | 18.8666667 | 916 | 3005 |
| Stompberg | Province of Eastern Cape | -32.1833333 | 26.0833333 | 1309 | 4295 |
| Stony Hill | Province of KwaZulu-Natal | -29.95 | 30.6166667 | 737 | 2418 |
| Stormberg | Province of Eastern Cape | -30.95 | 26.6833333 | 2066 | 6778 |
| Stormberg | Province of Eastern Cape | -31.4166667 | 26.8333333 | 1916 | 6286 |
| Stormberg | Province of the Western Cape | -33.8 | 22.7666667 | 780 | 2559 |
| Stormberge | Province of Northern Cape | -31 | 23.2833333 | 1365 | 4478 |
| Stormsrivierpiek | Province of Eastern Cape | -33.95 | 23.8833333 | 528 | 1732 |
| Strydomsberg | Province of Eastern Cape | -33.6308333 | 25.1980556 | 1080 | 3543 |
| Strydomskop | Province of Eastern Cape | -33.6036111 | 25.2055556 | 960 | 3150 |
| Stuurmanskop | Province of KwaZulu-Natal | -28.45 | 30.0666667 | 1080 | 3543 |
| Stuurmanskop | Province of Northern Cape | -31.3166667 | 23.75 | 1314 | 4311 |
