| Place | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Umpumulo | Province of KwaZulu-Natal | -29.1333333 | 31.05 | 764 | 2507 |
| Umtata | Province of Eastern Cape | -31.5833333 | 28.7833333 | 663 | 2175 |
| Umtata Mouth | Province of Eastern Cape | -31.95 | 29.2 | | |
| Umtentweni | Province of KwaZulu-Natal | -30.7166667 | 30.4666667 | 61 | 200 |
| Umvoti | Province of KwaZulu-Natal | -29.15 | 30.75 | 1154 | 3786 |
| Umvoti Mouth | Province of KwaZulu-Natal | -29.3833333 | 31.3333333 | 5 | 16 |
| Umyozene | Province of KwaZulu-Natal | -29.2166667 | 31.0833333 | 436 | 1430 |
| Umzimbete | Province of KwaZulu-Natal | -28.8166667 | 31.8833333 | 62 | 203 |
| Umzimkulu | Province of Eastern Cape | -30.2666667 | 29.9333333 | 757 | 2484 |
| Umzinto | Province of KwaZulu-Natal | -30.3166667 | 30.6666667 | 151 | 495 |
| Umzumbe | Province of KwaZulu-Natal | -30.6166667 | 30.55 | 1 | 3 |
| Underberg | Province of KwaZulu-Natal | -29.7833333 | 29.5 | 1538 | 5046 |
| Uniepark | Limpopo Province | -23.9333333 | 29.4833333 | 1311 | 4301 |
| Union | Province of Eastern Cape | -31.4 | 28.15 | 1515 | 4970 |
| Uniondale | Province of the Western Cape | -33.65 | 23.1333333 | 723 | 2372 |
| Uniondale | Province of Eastern Cape | -31.0166667 | 29.3166667 | 1060 | 3478 |
| Upington | Province of Northern Cape | -28.45 | 21.25 | 799 | 2621 |
| Upper Agnes | Province of Eastern Cape | -31.65 | 27.0666667 | 1265 | 4150 |
| Upper Bisi | Province of Eastern Cape | -30.2833333 | 29.7333333 | 1296 | 4252 |
| Upper Bolotwa | Province of Eastern Cape | -31.9166667 | 28.2666667 | 719 | 2359 |
