- Badger
- Baltic
- Bancroft
- Batesland
- Bath
- Bath Corner
- Belle Fourche
- Belvidere
- Beresford
- Big Stone City
- Bijou Hills
- Bison
- Blackhawk
- Blucksberg Mountain
- Blunt
- Bonesteel
- Bowdle
- Box Elder
- Bradley
- Brandon
- Brandt
- Brant Lake
- Brentford
- Bridgewater
- Bristol
- Britton
- Broadland
- Brookings
- Bruce
- Bryant
- Buffalo
- Buffalo Gap
- Bullhead
- Burke
- Bushnell
- Butler
