- Barron Point
- Barrontown
- Barrs Mill
- Barth
- Bartlett
- Barto
- Barton
- Barton
- Basic
- Bassfield
- Batesville
- Batson
- Batt Place
- Battle Bluff
- Battles
- Baxter
- Baxterville
- Bay Saint Louis
- Bay Shore Mobile Court
- Bay Springs
- Bayland
- Bayou Oaks Mobile Home Park
- Bayside Park
- Beach
- Beachwood Mobile Home Park
- Beacon Hill
- Beans Ferry
- Bear Creek
- Bear Town
- Beardens