Canadian Cities Beginning With O
First Letter of City:
- Oak Bay North
- Oak Bay South
- OAKBANK
- Oakville East
- Oakville North
- Oakville Northeast
- Oakville South
- Oakville West
- Okotoks
- Old Montreal
- Olds
- Omineca and Yellowhead (Smithers)
- Ontario Centre (Queensville)
- Orangeville North
- Orangeville South
- Orillia
- Orleans (Fallingbrook)
- Orleans (Queenswood)
- Oromocto
- Oshawa Central
- Oshawa East
- Oshawa North
- Oshawa Southeast
- Oshawa Southwest
- Ottawa
- Ottawa (Alta Vista)
- Ottawa (Britannia / Pinecrest)
- Ottawa (Centre Town)
- Ottawa (Highland Park / Carlingwood)
- Ottawa (Lower Town / Sandy Hill / University of Ottawa)
- Ottawa (Overbrook)
- Ottawa (Parliament Hill)
- Ottawa (Queensway / Copeland / Carlington / Carleton Heights)
- Ottawa (Riverside Park / Hunt Club West / Riverside South / YOW)
- Ottawa (Riverview / Hawthorne)
- Ottawa (Rockcliffe Park / New Edinburgh)
- Ottawa (The Glebe / Ottawa South / Ottawa East)
- Ottawa (Vanier)
- Ottawa (West Downtown area)
- Ottawa (Westboro)
- Ottawa West
- Outaouais-Nord (Ferme-Neuve)
- Outaouais-Sud (Thurso)
- Outer Nunavut (Iqaluit)
- Outremont
- Owen Sound
- Oxford (Norwich)