Canada
Îles commençant par o - page 4
- O'Neill Island
- Onetree Islet
- Onikup Island
- Onion Island
- Onion Island
- Onion Island
- Onion Island
- Onion Island
- Onitkok Island
- Onootunaykway Island
- Ontario Isles
- Oo-olilik Island
- Ooglukjuak Island
- Opal Island
- Opechee Island
- Opeongo Island
- Opingivik Island
- Opingivik Island
- Opingivik Island
- Opingiviksuak Island
- Opposite Island
- Orange Island
- Orchard Island
- Orchard Island
- Ord Island
- O'Reilly Island
- Organ Island
- Oriental Island
- Orillia Island
- Oriole Island
- Orion Islet
- Orkney Island
- Orleans Island (historical)
- Ormes Island
- Ormiston Island
- Ormonde Island
- Orne Island
- Oromocto Island
- Orphan Island
- Orr Island
- Orr Island
- Orr Island
- Orwig Islets
- Osawa Island
- Osawastim Island
- Oscar Island
- Oskatukow Island
- Osler Island
- Ospwagan Island
- Ossifrage Island