O
- Ochre Pit Cove (Newfoundland)
- Oderin Island (Newfoundland)
- O'Donnells (Newfoundland)
- Old Bonaventure (Newfoundland)
- Old Shop (Newfoundland)
- Open Hall (Newfoundland)
- O'Regan's (Newfoundland)
- Osmond (Newfoundland)
- Otterbury (Newfoundland)
Read more about this topic: List Of Communities In Newfoundland And Labrador