- Kreydyanka
- Krinichki
- Krinichki
- Krinichnyy
- Krokhmalne
- Krugloye
- Krugloye
- Kruhliakivka
- Krutaya Balka
- Kucherivka
- Kudinov
- Kupiansk-Vuzlovyi
- Kupievakha
- Kupyne
- Kuren’ki
- Kurhanne
- Kurochkyne
- Kurylivka
- Kushchuvakha
- Kut’kovka
- Kutkivka
- Kyslivka
- Kalynivka
- Kamianka
- Kamyshevakhskiy
- Karachentsiv
- Kartamysh
- Kashpurivka
- Kashpurovka
- Katerynivka