- Kadosawa
- Kaminome
- Kanohara
- Kirikome
- Kitanagashida
- Kiyomizu
- Koizumi
- Kadochi
- Kaihama
- Kakehama
- Kamaishishita
- Kamihigashigawane
- Kaminishigawa
- Kaminokura
- Kamishishiori
- Kamitanaka
- Kamiyatsuse
- Kamogi
- Kannarisawa
- Kanokura
- Katomari
- Kawaguchichō
- Kawasakijiri
- Kesennuma
- Kinoshita
- Kiridōshi
- Kitanaka
- Kobutsuki
- Koda
- Kogoshio