îles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Tílos | Relief | 39 | 1.1 |
| Töijensalo | Relief | 4 | 0.0 |
| Tōviʻi | Lieu | 3 | 0.2 |
| U Thant Island | Relief | 23 | 1.9 |
| Ua Huka | Relief | 25 | 7.9 |
| Ua-pou | Relief | 23 | 11.0 |
| Uaymil | Relief | 3 | 0.0 |
| Ubashima | Relief | 3 | 0.0 |
| Uddhoo | Relief | 3 | 0.1 |
| Uditj | Relief | 3 | 0.0 |
| Udo | Relief | 16 | 0.5 |
| Udot | Relief | 9 | 0.0 |
| Udrikulaid | Relief | 8 | 0.4 |
| Ufenau | Relief | 18 | 2.7 |
| Ufuriyaa | Relief | 1 | 0.0 |
| Ugljan | Relief | 34 | 1.0 |
| Uhtju Saar | Relief | 4 | 0.3 |
| Ujae | Relief | 22 | 0.4 |
| Ujelang | Relief | 20 | 0.5 |
| Ukara | Relief | 14 | 0.2 |
| Ukaturaka | Relief | 4 | 0.1 |
| Ukonkivi | Relief | 18 | 0.7 |
| Ulawa | Relief | 9 | 0.5 |
| Uleholmen | Relief | 2 | 0.0 |
| Ulithi | Relief | 26 | 2.0 |
| Ulleung-do | Relief | 39 | 0.1 |
| Ullsundholmane | Relief | 2 | 0.0 |
| Ulva | Relief | 8 | 0.4 |
| Ulva | Relief | 34 | 0.3 |
| Ulverakersbleika | Relief | 2 | 0.0 |
| Ulvøya (hadsel) | Relief | 4 | 0.1 |
| Ulvøya (hitra) | Relief | 4 | 0.0 |
| Ulvøya (hole) | Relief | 2 | 0.0 |
| Ulvøyna | Relief | 2 | 0.0 |
| Uløya | Relief | 8 | 0.0 |
| Umata | Relief | 2 | 0.0 |
| Umblu | Relief | 7 | 0.3 |
| Umboi | Relief | 21 | 0.9 |
| Umbrella Key | Relief | 1 | 0.2 |
| Umm An Nasan | Relief | 23 | 1.3 |
| Ummanz | Relief | 16 | 0.8 |
| Umnak | Relief | 31 | 2.0 |
| Una-una | Relief | 10 | 1.2 |
| Unalaska | Relief | 32 | 2.5 |
| Underi | Relief | 8 | 0.0 |
| Ungholm | Relief | 2 | 0.0 |
| Ungoofaaru | Relief | 13 | 0.2 |
| Unguja | Relief | 47 | 33.3 |
| Unije | Relief | 34 | 1.2 |
| Union | Relief | 28 | 13.3 |