Ontario
Îles commençant par o
Canada
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oak Island
- Oakpoint Island
- Oar Island
- O'Brien's Island
- Obstacle Island
- O'Connell Island
- O'Connor Island
- O'Connor Island
- O'Conor Island
- Octo Island
- O'Donnell Island
- O'Dwyer Island
- Ogama Island
- Ogilvie Island
- Ojibway Island
- Okie Island
- Okikendawt Island
- Old Fort Island
- Old Maid Island
- Old Mill Island
- Old Ned Island
- Old Tower Island
- Old Woman Island
- Old Woman Island
- Oldfield Island
- Oldman Island
- Olga Island
- Olimer Island
- Olimisk Island
- Olive Island
- Olive Island
- Oliver Island
- Oliver Island
- Olmstead Island
- Olsen's Island
- Olson Island
- Olver Island
- Olwyn Island
- Olympic Island