Q
- (United Counties of Leeds and Grenville) Quabbin
- (Ottawa) Qualicum
- (Peterborough County) Quality Island
- (Wellington County) Quarindale
- (Ottawa) Quarries
- (Lennox and Addington County) Queens Acres
- (Renfrew County) Queens Line
- (Ottawa) Queensway Terrace North
- (Ottawa) Queensway Terrace South
- (Ottawa) Queenswood Village
- (Lanark County) Quinn Settlement
- (Ottawa) Quyon Ferry Landing
- (Ottawa) Queenswood Heights
- Quinte West