| O Dell | Prince George-Mackenzie | Morris-Mike | British Columbia Liberal Party | Mike Morris |
| O Keefe | Shuswap | Kyllo-Greg | British Columbia Liberal Party | Greg Kyllo |
| Oak Bay | Oak Bay-Gordon Head | Weaver-Andrew | BC Green Party | Dr. Andrew Weaver |
| Oak Bay Marina | Oak Bay-Gordon Head | Weaver-Andrew | BC Green Party | Dr. Andrew Weaver |
| Oak Hills | Kamloops-North Thompson | Milobar-Peter | British Columbia Liberal Party | Peter Milobar |
| Oaklands | Victoria-Swan Lake | Fleming-Rob | BC NDP | Hon. Rob Fleming |
| Oakridge | Vancouver-Langara | Lee-Michael | British Columbia Liberal Party | Michael Lee |
| Oasis | Kootenay West | Conroy-Katrine | BC NDP | Hon. Katrine Conroy |
| Ocean Falls | North Coast | Rice-Jennifer | BC NDP | Jennifer Rice |
| Ocean Grove | North Island | Trevena-Claire | BC NDP | Hon. Claire Trevena |
| Ocean Park | Surrey-White Rock | Redies-Tracy | British Columbia Liberal Party | Tracy Redies |
| Oclucje IR 7 | North Island | Trevena-Claire | BC NDP | Hon. Claire Trevena |
| Octopus Islands Marine Park | North Island | Trevena-Claire | BC NDP | Hon. Claire Trevena |
| Ogden | Fraser-Nicola | Tegart-Jackie | British Columbia Liberal Party | Jackie Tegart |
| Ohamil IR 1 | Fraser-Nicola | Tegart-Jackie | British Columbia Liberal Party | Jackie Tegart |
| Okanagan Centre | Kelowna-Lake Country | Letnick-Norm | British Columbia Liberal Party | Norm Letnick |
| Okanagan College - Kelowna Campus | Kelowna-Mission | Thomson-Steve | British Columbia Liberal Party | Steve Thomson |
| Okanagan College - Oliver Centre | Boundary-Similkameen | Larson-Linda | British Columbia Liberal Party | Linda Larson |
| Okanagan College - Penticton Campus | Penticton | Ashton-Dan | British Columbia Liberal Party | Dan Ashton |
| Okanagan College - Revelstoke Centre | Columbia River-Revelstoke | Clovechok-Doug | British Columbia Liberal Party | Doug Clovechok |
| Okanagan College - Salmon Arm Campus | Shuswap | Kyllo-Greg | British Columbia Liberal Party | Greg Kyllo |
| Okanagan College - Summerland Centre | Penticton | Ashton-Dan | British Columbia Liberal Party | Dan Ashton |
| Okanagan College - Vernon Campus | Vernon-Monashee | Foster-Eric | British Columbia Liberal Party | Eric Foster |
| Okanagan Falls | Boundary-Similkameen | Larson-Linda | British Columbia Liberal Party | Linda Larson |
| Okanagan IR 1 | Shuswap | Kyllo-Greg | British Columbia Liberal Party | Greg Kyllo |
| Okanagan Landing | Vernon-Monashee | Foster-Eric | British Columbia Liberal Party | Eric Foster |
| Okanagan Mission | Kelowna-Mission | Thomson-Steve | British Columbia Liberal Party | Steve Thomson |
| Okeover Arm Marina | Powell River-Sunshine Coast | Simons-Nicholas | BC NDP | Nicholas Simons |
| Okeover Inlet Marina | Powell River-Sunshine Coast | Simons-Nicholas | BC NDP | Nicholas Simons |
| Okime Island | North Island | Trevena-Claire | BC NDP | Hon. Claire Trevena |
| Olalla | Boundary-Similkameen | Larson-Linda | British Columbia Liberal Party | Linda Larson |
| Old Bella Bella | North Coast | Rice-Jennifer | BC NDP | Jennifer Rice |
| Old Fort | Peace River North | Davies-Dan | British Columbia Liberal Party | Dan Davies |
| Old Hogem | Nechako Lakes | Rustad-John | British Columbia Liberal Party | John Rustad |
| Old Massett | North Coast | Rice-Jennifer | BC NDP | Jennifer Rice |
| Old Remo | Skeena | Ross-Ellis | British Columbia Liberal Party | Ellis Ross |
| Old Town | Kootenay East | Shypitka-Tom | British Columbia Liberal Party | Tom Shypitka |
| Oliver | Boundary-Similkameen | Larson-Linda | British Columbia Liberal Party | Linda Larson |
| Oliver Cove Marine Park | North Coast | Rice-Jennifer | BC NDP | Jennifer Rice |
| Olivers Landing | West Vancouver-Sea to Sky | Sturdy-Jordan | British Columbia Liberal Party | Jordan Sturdy |
| Olson | Kootenay East | Shypitka-Tom | British Columbia Liberal Party | Tom Shypitka |
| Omineca IR 1 | Nechako Lakes | Rustad-John | British Columbia Liberal Party | John Rustad |
| One Hundred Five Mile Post IR 2 | Fraser-Nicola | Tegart-Jackie | British Columbia Liberal Party | Jackie Tegart |
| Onward | Cariboo-Chilcotin | Barnett-Donna | British Columbia Liberal Party | Donna Barnett |
| Oona River | North Coast | Rice-Jennifer | BC NDP | Jennifer Rice |
| Ootischenia | Kootenay West | Conroy-Katrine | BC NDP | Hon. Katrine Conroy |
| Ootischenia Flats | Kootenay West | Conroy-Katrine | BC NDP | Hon. Katrine Conroy |
| Ootsa Lake | Nechako Lakes | Rustad-John | British Columbia Liberal Party | John Rustad |
| Openit IR 27 | Mid Island-Pacific Rim | Fraser-Scott | BC NDP | Hon. Scott Fraser |
| Opitsat | Mid Island-Pacific Rim | Fraser-Scott | BC NDP | Hon. Scott Fraser |
