Encyclopedia of BC Index
- Oak
- Oak Bay
- Oak Bay Marine Group
- Oakalla Prison Farm
- Oberlander, Cornelia (Hahn)
- Oberlander, H. Peter
- Oblates of Mary Immaculate
- O'Brian Bay
- O'Brien, Kathleen
- Observatory Inlet
- Ocean Falls
- Ocean Fisheries Ltd
- Ocean Park
- Oceanic
- Oceanography
- Ochiltree
- Octopus
- Odds
- Odjig, Daphne
- Odlum, Edward Faraday
- Odlum, Victor Wentworth
- Ogden, Peter Skene
- Ogopogo
- O'Hagan, Howard
- O'Hara, Lake
- Oil and Gas Industry
- Okanagan Centre
- Okanagan Falls
- Okanagan First Nation
- Okanagan Helicopters Ltd
- Okanagan Lake
- Okanagan Landing
- Okanagan Mission
- Okanagan Valley
- O'Keefe, Cornelius
- O'Keefe Historic Ranch
- Olajide, Michael Jr "the Silk"
- Olalla
- Old Curly
- Oliver
- Oliver, John
- Oliver, William
- Olson, Clifford Robert
- Ombudsman
- Omega Salmon Group Ltd
- Omineca Gold Rush
- On-to-Ottawa Trek
- Onderdonk, Andrew
- O'Neill, J. Wiggs
- Onley, Norman Antony "Toni"
- Oona River
- Ootsa Lake
- Open Learning Agency
- Opioid crisis
- Opossum
- Oppenheimer, David
- Orca
- Orca Bay Sports and Entertainment
- Orca Book Publishers
- Orchards
- Order of British Columbia
- Oregon Treaty
- O'Reilly, Peter
- Organized Crime Agency of BC
- Oriole
- Oriole
- Ormsby, Margaret Anchoretta
- Orpheum Theatre
- Orthodox Churches
- Osland
- Osoyoos
- Osprey
- Otter
- Otter
- Otter, River
- Otter, Sea
- Our Lady of Good Hope
- Overlanders
- Overwaitea Food Group
- Oweekeno First Nation
- Owen, Walter Stewart
- Owen Bay
- Owikeno Lake
- Owl
- Owl Creek
- Oyama
- Oyster
- Oyster River
- Oystercatcher
