îles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Olhuveli | Relief | 3 | 0.4 |
| Olib | Relief | 35 | 1.4 |
| Oligandufinolhu | Relief | 3 | 0.0 |
| Olimarao | Relief | 14 | 0.2 |
| Olkhon | Relief | 48 | 15.8 |
| Olkiluoto | Relief | 8 | 3.5 |
| Olsnesøyna | Relief | 4 | 0.0 |
| Olvondo | Relief | 3 | 0.0 |
| Omaholmen | Relief | 2 | 0.0 |
| Ombelim | Relief | 3 | 0.0 |
| Ombo | Relief | 11 | 0.0 |
| Omelek | Relief | 13 | 1.7 |
| Ometepe | Relief | 45 | 5.8 |
| Ommundsholmen | Relief | 2 | 0.0 |
| Omø | Relief | 13 | 0.7 |
| One-tree Island | Relief | 6 | 0.2 |
| Oneeke | Lieu | 6 | 0.0 |
| Onekotan | Relief | 29 | 3.8 |
| Oneop | Relief | 8 | 0.0 |
| Ongleholmen | Relief | 2 | 0.0 |
| Onkisalo | Relief | 5 | 0.0 |
| Onne | Relief | 2 | 0.3 |
| Ono (fidji) | Relief | 11 | 0.1 |
| Ono Island | Relief | 5 | 0.1 |
| Onotoa | Relief | 27 | 0.7 |
| Ontong Java | Relief | 20 | 1.9 |
| Onøya | Relief | 6 | 0.0 |
| Oodaaq | Relief | 19 | 6.2 |
| Ookolhufinolhu | Relief | 2 | 0.3 |
| Ookwemin Minising | Relief | 5 | 0.0 |
| Ooslamaa | Relief | 7 | 0.3 |
| Oostenburg | Relief | 3 | 0.0 |
| Opsay | Relief | 2 | 0.2 |
| Orak | Relief | 6 | 0.8 |
| Orak | Relief | 6 | 0.0 |
| Orango | Relief | 11 | 0.7 |
| Orangozinho | Relief | 10 | 0.2 |
| Orcas Island | Relief | 16 | 1.3 |
| Orfasay | Relief | 8 | 0.0 |
| Orikalaid | Relief | 5 | 0.3 |
| Ormøy | Relief | 4 | 0.0 |
| Ormøy (færder) | Relief | 3 | 0.0 |
| Ormøyna | Relief | 2 | 0.0 |
| Ornsay | Relief | 8 | 0.1 |
| Ornö | Relief | 12 | 0.2 |
| Oroluk | Relief | 13 | 0.6 |
| Orona | Relief | 27 | 2.2 |
| Oronsay | Relief | 19 | 0.1 |
| Oronsay | Relief | 9 | 0.2 |
| Orosay | Relief | 8 | 0.4 |