- Bearney
- Belcoo
- Belfast
- Belfast City Centre
- Belfast County Borough
- Bellaghy
- Bellahill
- Bellanaleck
- Belleek
- Bellway
- Beltoy
- Benburb
- Beragh
- Bessbrook
- Bishops Court
- Blackfort
- Blackheath
- Blackwatertown
- Blaney
- Bloody Bridge
- Boardmills
- Boho
- Boom Hall
- Bovevagh
- Brackenagh
- Bracky
- Brockagh
- Brookeborough
- Broughderg
- Broughshane