K
- (Chuhuiv City Council) Klymenivka
- (Bohodukhivskyi Raion) Klenove
- (Krasnohradskyi Raion) Kizimi
- (Bohodukhivskyi Raion) Kyiany
- (Chuhuiv City Council) Kytsivka
- (Bohodukhivskyi Raion) Kytchenkivka
- (Kupianska Miskrada) Kyslivka
- (Bohodukhivskyi Raion) Kysivka
- (Lozova City Council) Kyseli
- (Lozova City Council) Kvitneve
- (Krasnohradskyi Raion) Kyrylivka
- (Iziumska Miskrada) Kirichinovka
- (Lozova City Council) Kiptivka
- (Bohodukhivskyi Raion) Khutor Bugai Vtoryye
- (Chuhuiv City Council) Khotimlia
- (Bohodukhivskyi Raion) Khoruzhi
- (Lozova City Council) Khyzhniakivka
- (Bohodukhivskyi Raion) Kheruvimskiy
- (Kupianska Miskrada) Khatnie
- (Kharkiv City Council) Kozacha Lopan
- (Chuhuiv City Council) Kozachka
- (Krasnohradskyi Raion) Kozachi Maidany
- (Kupianska Miskrada) Katerynivka
- (Krasnohradskyi Raion) Katerinovka
- (Lozova City Council) Katerynivka
- (Kupianska Miskrada) Kasianivka
- (Bohodukhivskyi Raion) Korbyni Ivany
- (Bohodukhivskyi Raion) Karaikozivka
- (Krasnohradskyi Raion) Karavan
- (Bohodukhivskyi Raion) Karasivka