K
- (Galle District) Koralegama
- (Hambantota District) Korakahawala
- (Galle District) Korahedigoda
- (Matara District) Koragoda
- (Hambantota District) Konwelana
- (Hambantota District) Konkarahena
- (Hambantota District) Kongastenna
- (Matara District) Kongala
- (Galle District) Kongahagoda
- (Galle District) Kommala
- (Galle District) Kambala
- (Matara District) Komangoda
- (Galle District) Kolontotuwa
- (Matara District) Kokmaduwa
- (Matara District) Kokawala
- (Matara District) Kohuliyadda
- (Matara District) Kohugoda
- (Hambantota District) Kohomporuwa
- (Hambantota District) Kohombagaswewa
- (Hambantota District) Kohombagahapelessa
- (Hambantota District) Koholankala
- (Galle District) Kohilawela
- (Hambantota District) Koggella
- (Matara District) Kodituwakkugoda
- (Galle District) Kodagoda
- (Galle District) Kobeituduwa
- (Galle District) Kobeyiduwa
- (Matara District) Kiyanduwa
- (Hambantota District) Kivula
- (Hambantota District) Kivula