M
- (Ichinoseki-shi) Muronechō-tsuyagawa
- (Tōno-shi) Miyamorichō-tatsusobe
- (Shimohei-gun) Muroba
- (Shimohei-gun) Motomura
- (Miyako-shi) Moichi
- (Morioka-shi) Modegi
- (Iwate-gun) Misuko
- (Morioka-shi) Mirumaemachi
- (Iwate-gun) Mattatsu
- (Hachimantai Shi) Matsuo
- (Iwate-gun) Masuzawa
- (Ōshū-shi) Maesawa
- (Ōfunato-shi) Masutate
- (Ōshū-shi) Mochikorobashi
- (Kuji-shi) Minato
- (Kuji-shi) Mikkamachi
- (Ōfunato-shi) Matsusakichō
- (Rikuzentakata-shi) Myōshita
- (Rikuzentakata-shi) Mutsugaura
- (Rikuzentakata-shi) Monzen
- (Rikuzentakata-shi) Morisaki
- (Rikuzentakata-shi) Maehanagai
- (Rikuzentakata-shi) Mikkaichi
- (Rikuzentakata-shi) Minato
- (Rikuzentakata-shi) Magita
- (Rikuzentakata-shi) Mizukami
- (Hanamaki Shi) Minokuchi
- (Hanamaki Shi) Mitakedō
- (Hanamaki Shi) Mikkaichi
- (Hanamaki Shi) Maebayashi