| Place | State | Latitude | Longitude | Elevation (meters) | Elevation (feet) |
|---|
| Ulundi | Province of KwaZulu-Natal | -28.3333333 | 31.4166667 | 484 | 1588 |
| Uluxa | Province of Eastern Cape | -30.9166667 | 28.4833333 | 1304 | 4278 |
| Umbila | Mpumalanga | -26.25 | 28.5666667 | 1602 | 5256 |
| Umbogintwini | Province of KwaZulu-Natal | -30.0333333 | 30.9166667 | | |
| Umbumbulu | Province of KwaZulu-Natal | -29.9833333 | 30.7 | 533 | 1749 |
| Umdloti | Province of KwaZulu-Natal | -29.65 | 31.1166667 | 11 | 36 |
| Umgeni Dam | Province of KwaZulu-Natal | -29.5833333 | 30.6166667 | 506 | 1660 |
| Umgomanzi | Province of Eastern Cape | -32.3 | 28.0666667 | 737 | 2418 |
| uMhali | Province of KwaZulu-Natal | -29.4666667 | 31.2166667 | 30 | 98 |
| Umhlanga Rocks | Province of KwaZulu-Natal | -29.7166667 | 31.0833333 | 90 | 295 |
| Umhlanga Rocks | Province of KwaZulu-Natal | -29.7166667 | 31.0666667 | 129 | 423 |
| Umhlatuzi Valley | Province of KwaZulu-Natal | -28.8166667 | 31.9333333 | 14 | 46 |
| Umkhomazi | Province of KwaZulu-Natal | -29.4666667 | 30.8833333 | 538 | 1765 |
| uMkhumbikazana | Province of KwaZulu-Natal | -27.5166667 | 32.4333333 | 67 | 220 |
| Umkomaas | Province of KwaZulu-Natal | -30.2 | 30.8 | 2 | 7 |
| Umlaasweg | Province of KwaZulu-Natal | -29.7333333 | 30.5 | 789 | 2589 |
| Umlazi | Province of KwaZulu-Natal | -29.9666667 | 30.8833333 | 129 | 423 |
| Umnga Flats | Province of Eastern Cape | -31.4333333 | 28.3666667 | 1356 | 4449 |
| Umngazana | Province of Eastern Cape | -31.6833333 | 29.3833333 | 7 | 23 |
| Umngazi Mouth | Province of Eastern Cape | -31.6666667 | 29.45 | 11 | 36 |
