O
- Oak Hammock Marsh Interpretive Centre
- Oastler Lake Provincial Park
- Obatanga Provincial Park
- Odette Sculpture Park
- Ogema Regional Park
- Ojibway Provincial Park
- Okanagan Lake Provincial Park
- Okanagan Mountain Provincial Park
- Opasquia Provincial Park
- Ouimet Canyon Provincial Park
- Outlook & District Regional Park
- Ovayok (Mount Pelly) Territorial Park
