K
- (Madhubani) Kauriatola
- (Madhubani) Kishunipatti
- (Madhubani) Kālikāpur
- (Madhubani) Khaira
- (Madhubani) Kaithinia
- (Madhubani) Kamālpur
- (Madhubani) Khairitol
- (Madhubani) Koiriapatti
- (Madhubani) Kasiām
- (Madhubani) Katmankhore
- (Darbhanga) Kaithwār
- (Darbhanga) Kokraha
- (Darbhanga) Katra
- (Madhubani) Khairi
- (Darbhanga) Kasraund
- (Darbhanga) Khanua
- (Darbhanga) Kathal
- (Darbhanga) Kiratpur
- (Darbhanga) Kāleān
- (Darbhanga) Kamraul
- (Madhubani) Khor
- (Madhubani) Kumārkhada
- (Madhubani) Khajūri
- (Madhubani) Koiri
- (Madhubani) Kharik
- (Madhubani) Kusāl
- (Madhubani) Khajūra
- (Supaul) Kasaha
- (Supaul) Kaparphora
- (Madhubani) Kurson