- Blandford Station
- Blanshard
- Blantyre
- Blessington
- Blezard
- Blind River
- Blossom Park
- Blue Church
- Blue Corners
- Blue Mountain
- Blue Springs
- Bluewater Beach
- Blyth
- Bobs Lake
- Bogart
- Bogies Beach
- Bolger
- Bolingbroke
- Bon Echo
- Bonarlaw
- Bond Head
- Bonfield
- Bonnechere
- Bonnie Beach
- Booth
- Booth Landing
- Boothville
- Borden
- Bordenwood
- Bornholm