Oblast de Sakhaline
Îles commençant par o
Russie
- Ō Shima
- Odoke Tō
- Ostrov Antsiferova
- Ostrov Atlasova
- Ostrov Baklaniy
- Ostrov Banka Zotova
- Ostrov Banka Zotova
- Ostrov Bar’yernyy
- Ostrov Bazarnyy
- Ostrov Bazarnyy
- Ostrov Benten
- Ostrov Blizkiy
- Ostrov Brat Chirpoyev
- Ostrov Broutona
- Ostrov Chayka
- Ostrov Chaykina
- Ostrov Chirinkotan
- Ostrov Chirpoy
- Ostrov Derevyanko
- Ostrov Dym
- Ostrov Ekarma
- Ostrov Farkhutdinova
- Ostrov Gafovicha
- Ostrov Gaynutdinova
- Ostrov Getabu
- Ostrov Gnechko
- Ostrov Gorb
- Ostrov Irkimibu
- Ostrov Kerutu
- Ostrov Ketoy
- Ostrov Kharimkotan
- Ostrov Khattsio
- Ostrov Khiva
- Ostrov Kit
- Ostrov Krab
- Ostrov Kuvshin
- Ostrov Litvinova
- Ostrov Lyarvo
- Ostrov Makanrushi
- Ostrov Matua
- Ostrov Mimo
- Ostrov Moneron
- Ostrov Moristyy
- Ostrov Morskaya Vydra
- Ostrov Mosiri
- Ostrov Nisi
- Ostrov Onekotan
- Ostrov Paramushir
- Ostrov Petushkova
- Ostrov Piko