I
- (Ninohe Shi) Ishikura
- (Ninohe Shi) Itsukamachi
- (Ninohe Shi) Ishikiridokoro
- (Ninohe-gun) Inari
- (Ninohe-gun) Izumida
- (Ōfunato-shi) Ishihama
- (Hanamaki Shi) Ishidoriyachō-godaidō
- (Hanamaki Shi) Ishidoriyachō-inohana
- (Hanamaki Shi) Ishidoriyachō-tozuka
- (Hanamaki Shi) Ishidoriyachō-takita
- (Hanamaki Shi) Ittanda
- (Shiwa-gun) Ishigamori
- (Rikuzentakata-shi) Iwakura
- (Hachimantai Shi) Itsukaichi
- (Hanamaki Shi) Ishidoriyachō-tomisawa
- (Hanamaki Shi) Ishidoriyachō-hachiman
- (Ōshū-shi) Ide
- (Rikuzentakata-shi) Imaizumi
- (Kitakami-shi) Ishibane
- (Ichinoseki-shi) Itsukushi
- (Ōshū-shi) Iwayadō
- (Hanamaki Shi) Ishidoriyachō-komoribayashi
- (Hanamaki Shi) Ishidoriyachō-yaehata
- (Hanamaki Shi) Ishidoriyachō-daikōji
- (Hanamaki Shi) Ishidoriyachō-ōsegawa
- (Hanamaki Shi) Inatoyo
- (Hanamaki Shi) Ishidoriyachō-kitaterabayashi
- (Shiwa-gun) Inubuchi
- (Hanamaki Shi) Ishidoriyachō-kamiguchi
- (Hanamaki Shi) Ishidoriyachō-nakaterabayashi