Places beginning with BO in Wisconsin, United States
- Boardman
- Boaz
- Boaz, Village of
- Bohners Lake
- Bohri (historical)
- Bolt
- Boltonville
- Bonduel
- Bonduel, Village of
- Bone Lake, Town of
- Bonita
- Bonneval
- Borea
- Borth
- Boscobel
- Boscobel, City of
- Boscobel, Town of
- Bosstown
- Boulder Junction
- Boulder Junction, Town of
- Bovina, Town of
- Bowens Addition (subdivision)
- Bowers
- Bowler
- Bowler, Village of
- Boyceville
- Boyceville, Village of
- Boyd
- Boydtown
- Boyd, Village of
- Boylston
- Boylston Junction