K
- (Shimonoseki Shi) Kanseichō
- (Shimonoseki Shi) Kōyōchō
- (Shimonoseki Shi) Kannonzakichō
- (Shimonoseki Shi) Kamita-nakamachi
- (Shimonoseki Shi) Kibunemachi
- (Shimonoseki Shi) Kawanaka-honmachi
- (Shimonoseki Shi) Kawanaka-yutakamachi
- (Shimonoseki Shi) Kumanochō
- (Shimonoseki Shi) Kumano-nishimachi
- (Shimonoseki Shi) Kusuno
- (Shimonoseki Shi) Katsuyama
- (Shimonoseki Shi) Karatochō
- (Ōshima-gun) Kami Shima
- (Ōshima-gun) Koito Jima
- (Mine Shi) Kuwahara
- (Sanyōonoda Shi) Kushiyama
- (Shūnan Shi) Kushigahama
- (Ube Shi) Kurosaki
- (Ōshima-gun) Kuka
- (Iwakuni Shi) Kugamachi
- (Kudamatsu Shi) Kuboichi
- (Shimonoseki Shi) Kottoi
- Kudamatsu