K
- (Amakusa Shi) Kaimawari
- (Amakusa Shi) Kawamukō
- (Amakusa Shi) Kono
- (Amakusa Shi) Kamikokuryū
- (Amakusa Shi) Kikai
- (Amakusa Gun) Kurose
- (Amakusa Shi) Kuwazuru
- (Amakusa Shi) Kawauramachi-imatomi
- (Amakusa Shi) Katajiro
- (Amakusa Shi) Kojima
- (Amakusa Shi) Komine
- (Amakusa Shi) Kamiōtao
- (Amakusa Shi) Kashinoura
- (Amakusa Shi) Kannohira
- (Amakusa Shi) Kubo
- (Amakusa Shi) Kurosaki
- (Amakusa Shi) Kirigoshi
- (Amakusa Shi) Kama
- (Amakusa Shi) Kinnoiri
- (Amakusa Shi) Kashinoki
- (Amakusa Shi) Kashinomitsuru
- (Amakusa Shi) Kami-kashinomitsuru
- (Amakusa Shi) Kajiyama
- (Amakusa Shi) Kamizuru
- (Amakusa Shi) Kagebayashi
- (Amakusa Shi) Kakemichi
- (Amakusa Shi) Kuronita
- (Amakusa Shi) Kamikawara
- (Amakusa Shi) Kawara-shinmachi
- (Amakusa Shi) Kawaramachi