- Badatalwatta
- Baddamulla
- Bahirawakanda
- Baladora
- Balagahatenna North
- Balagollawatta
- Balane
- Balawatgoda
- Bambarabedda
- Bambarabedde Devainnegama
- Bambaragaha Ela
- Bamunupola
- Bananga
- Barandara
- Barigama
- Barulanawatta
- Bassrockwatta
- Batagalla
- Batagalla
- Batagolladeniya
- Batalawatta
- Batugoda
- Batumulla
- Bavulanwatta Colony
- Bawwagama
- Bayuana
- Bebalegama
- Beddegamawatta
- Beerahenna
- Bellwood Colony