K
- (Iziumska Miskrada) Kunie
- (Iziumska Miskrada) Kriuchky
- (Bohodukhivskyi Raion) Kruchyk
- (Bohodukhivskyi Raion) Krysyne
- (Krasnohradskyi Raion) Krutoiarivka
- (Lozova City Council) Krutoiarka
- (Bohodukhivskyi Raion) Khrushchova Mykytivka
- (Lozova City Council) Kryshtopivka
- (Iziumska Miskrada) Krynychne
- (Kupianska Miskrada) Krinichki
- (Iziumska Miskrada) Kreidianka
- (Krasnohradskyi Raion) Khrestyshche
- (Kupianska Miskrada) Kravtsivka
- (Iziumska Miskrada) Krasnyy Yar
- (Kharkiv City Council) Krasne
- (Kupianska Miskrada) Krasne Pershe
- (Krasnohradskyi Raion) Krasne
- (Krasnohradskyi Raion) Krasnianske
- (Krasnohradskyi Raion) Krasnaya Zarya
- (Chuhuiv City Council) Krasna Poliana
- (Kharkiv City Council) Krasnaya Armiya
- (Lozova City Council) Krasyve
- (Bohodukhivskyi Raion) Kramarovka
- (Iziumska Miskrada) Kramarivka
- (Bohodukhivskyi Raion) Koziivka
- (Bohodukhivskyi Raion) Koviahy
- (Iziumska Miskrada) Kovtunovka
- (Bohodukhivskyi Raion) Kovalivka
- (Kupianska Miskrada) Kovalivka
- (Kharkiv City Council) Kovalenkov