- Bornish
- Boskung
- Bosworth
- Boulter
- Bourdeau
- Bourget
- Bowesville
- Bowling Green
- Bowmanville
- Bowood
- Bowser's Corner
- Box Alder
- Boyds
- Boyle
- Bracebridge
- Brackenrig
- Bradens Bay
- Bradford
- Bradford West Gwillimbury
- Bradley
- Bradshaw
- Bradshaw
- Brady Lake
- Braemar
- Braemar Park
- Braeside
- Brampton
- Brandy Point
- Brant
- Brantford