- Blaenannerch
- Brongest
- Brynhoffnant
- Babell
- Berth-ddu
- Berthengam
- Big Mancot
- Bretton
- Brynford
- Burntwood Pentre
- Brookhouse
- Bardsey Island
- Boduan
- Bontddu
- Bontnewydd
- Bontnewydd
- Borth-y-Gest
- Botwnnog
- Brithdir Village
- Bryn Eglwys
- Brynrefail
- Bwlchtocyn
- Bedlinog
- Broadstone
- Brynygwenin
- Banwen
- Broadstreet Common
- Bethesda
- Blaenffos
- Burton Ferry