| operator | name | named after | heritage designation | image | date founded | Height (m) | city | administrative división | continent | Country | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| University of the Free State | Boyden Observatory | 1889 | 1,372 | Maselspoort | Free State | Africa | South Africa | -29.0333328247 | 26.3999996185 | Website | Map | |||
| Union Observatory | 1903 | 1,808 | Observatory, Gauteng | Gauteng | Africa | South Africa | -26.1833324432 | 28.0666675568 | Website | Map | ||||
| Lamont–Hussey Observatory | 1928 | 1,478 | Bloemfontein | Free State | Africa | South Africa | -29.0833339691 | 26.2333335876 | Website | Map | ||||
| Natal Observatory |  | 1882 | 79 | Durban | KwaZulu-Natal | Africa | South Africa | -29.8333339691 | 31.0000000000 | Website | Map | |||
| Royal Observatory, Cape of Good Hope |  | 20/10/1820 | 6 | Observatory, Cape Town | Western Cape | Africa | South Africa | -33.9333343506 | 18.4666671753 | Website | Map |