- Benton Ridge
- Bergholz
- Berkey
- Berlin Heights
- Bettsville
- Bexley
- Brewers Island (historical)
- Bulah
- Bushnell
- Blacklick Estates
- Blakeslee
- Blanchester
- Bloomdale
- Bloomingburg
- Bloomville
- Beachwood Lake Estates
- Beaumont
- Beebe
- Bessemer
- Big Run
- Broadwell
- Brookville
- Burr Oak
- Blue Ash
- Bolindale
- Bardwell
- Bodman
- Brown County Mobile Home Park
- Brownstown
- Boston Heights