K
- (Kalutara District) Koskanda
- (Gampaha District) Kossinna
- (Colombo District) Kosgama Ihala
- (Colombo District) Kosgama Pahala
- (Gampaha District) Kosetadeniya
- (Kalutara District) Korosduwa
- (Colombo District) Koratota
- (Gampaha District) Korase
- (Gampaha District) Korasegoda
- (Kalutara District) Koppala
- (Gampaha District) Kongodamulla
- (Kalutara District) Kongoda
- (Gampaha District) Kongahadeniya
- (Colombo District) Kondurawa
- (Gampaha District) Kandagammulla
- (Kalutara District) Kompe
- (Kalutara District) Kolehakada
- (Colombo District) Kolamunna
- (Kalutara District) Kolamediriya
- (Kalutara District) Koholana
- (Gampaha District) Koholwila
- (Gampaha District) Kodunnawa
- (Gampaha District) Kochchikade
- (Kalutara District) Kobawaka North
- (Gampaha District) Kitulwala Pahalagama
- (Gampaha District) Kitulwala Ihalagama
- (Kalutara District) Kitulgoda
- (Kalutara District) Kithulgalvila
- (Kalutara District) Kitulahitiya
- (Colombo District) Kittanpahuwa