B
- (Madhubani) Baswan
- (Madhubani) Bodai
- (Madhubani) Bihārpur
- (Madhubani) Barajit
- (Madhubani) Bāth
- (Madhubani) Buchhi
- (Supaul) Bhawār
- (Madhubani) Bishunpur
- (Supaul) Bhagwāt
- (Supaul) Baskhora
- (Madhubani) Banāhi
- (Madhubani) Bariarwa
- (Madhubani) Baluwāha
- (Madhubani) Bhagta
- (Supaul) Bela
- (Madhubani) Bāsipatti
- (Supaul) Barhmotra
- (Supaul) Baksa
- (Madhubani) Belāhi
- (Madhubani) Bhargāwān
- (Saharsa) Barāhi
- (Saharsa) Barhara
- (Saharsa) Bāghākhāl
- (Saharsa) Bariārpur
- (Saharsa) Balwa
- (Darbhanga) Banri
- (Supaul) Barhātha
- (Supaul) Bahorwa
- (Supaul) Bishunpur
- (Supaul) Basuli