- Blenker
- Bloom City
- Bloomer
- Bloomingdale
- Bloomington
- Bloomville
- Blue Mounds
- Blue River
- Blueberry
- Blueberry Island
- Bluff Crest Mobile Home Park
- Bluff Siding
- Bluffview
- Boardman
- Boaz
- Bohners Lake
- Bolt
- Boltonville
- Bonduel
- Bonies Mound
- Bonita
- Bonneval
- Boom Island
- Boom Island
- Boomerang Island
- Borea
- Borth
- Boscobel
- Bosstown
- Boulder Junction