- Binkeeragh
- Binnanea
- Black Island
- Blackburn Bridge
- Blacklion
- Blackraw
- Blackrocks Cross
- Blackwater Bridge
- Blind Town
- Bo Island
- Boagh
- Bogagh
- Bogay
- Bohullion
- Bonnyglen
- Borim
- Bracky Bridge
- Braddocks
- Bree
- Breenagh
- Bridge End
- Bridgetown
- Brinlack
- Brockagh
- Broomfield
- Brownfield
- Bruckless
- Bryanhiller
- Bullogfane Bay
- Bulloghbrean