K
- (Krasnohradskyi Raion) Kalynivka
- (Krasnohradskyi Raion) Kochetivka
- (Krasnohradskyi Raion) Kamianka
- (Krasnohradskyi Raion) Kobzivka
- (Krasnohradskyi Raion) Kobzivka Druha
- (Krasnohradskyi Raion) Kotivka
- (Krasnohradskyi Raion) Kalynivka
- (Lozova City Council) Klenove
- (Lozova City Council) Khlibne
- (Krasnohradskyi Raion) Katerynivka
- (Krasnohradskyi Raion) Khalturina
- (Lozova City Council) Kholodne
- (Iziumska Miskrada) Kovalivka
- (Iziumska Miskrada) Kotivka
- (Krasnohradskyi Raion) Kofanivka
- (Krasnohradskyi Raion) Kozatske
- (Krasnohradskyi Raion) Karabushchyne
- (Kharkiv City Council) Kopyten
- (Kharkiv City Council) Kochubeivka
- (Lozova City Council) Katerynivka
- (Krasnohradskyi Raion) Kobtsivka
- (Bohodukhivskyi Raion) Khutor Nadezhnyy
- (Krasnohradskyi Raion) Kutso-Ganebne
- (Kupianska Miskrada) Kutkivka
- (Kharkiv City Council) Kuriazhanka
- (Iziumska Miskrada) Kurulka
- (Kupianska Miskrada) Kurylivka
- (Bohodukhivskyi Raion) Kupievakha
- (Kupianska Miskrada) Kupiansk-Vuzlovyi
- (Kupianska Miskrada) Kupyne