| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Machimura | city | Ehime-ken | Japan | 33.5666667 | 132.8 | 1122 | 34119 |
| Mannen | city | Ehime-ken | Japan | 33.7 | 132.7833333 | 1479 | 34070 |
| Masaki | city | Ehime-ken | Japan | 33.7833333 | 132.7011111 | 26 | 15016 |
| Matsumaru | city | Ehime-ken | Japan | 33.2333333 | 132.7 | 328 | 33768 |
| Matsumaye | city | Ehime-ken | Japan | 33.7833333 | 132.7011111 | 26 | 15016 |
| Matsusaki | city | Ehime-ken | Japan | 33.7833333 | 132.7011111 | 26 | 15016 |
| Matsuyama | city | Ehime-ken | Japan | 33.8363889 | 132.7530556 | 78 | 32215 |
| Matsuyama-sambancho | city | Ehime-ken | Japan | 33.8333333 | 132.7666667 | 85 | 33814 |
| Matsuyama-sambanchō | city | Ehime-ken | Japan | 33.8333333 | 132.7666667 | 85 | 33814 |
| Matuyama | city | Ehime-ken | Japan | 33.8363889 | 132.7530556 | 78 | 32215 |
| Maura | city | Ehime-ken | Japan | 32.95 | 132.55 | 75 | 20682 |
| Mikame | city | Ehime-ken | Japan | 33.3833333 | 132.4 | 232 | 15901 |
| Minami-kume | city | Ehime-ken | Japan | 33.8 | 132.8 | 134 | 34020 |
| Minami-yoshida | city | Ehime-ken | Japan | 33.8166667 | 132.7166667 | 32 | 25652 |
| Minato | city | Ehime-ken | Japan | 34.0833333 | 132.9833333 | 101 | 26104 |
| Misaki | city | Ehime-ken | Japan | 33.3833333 | 132.1166667 | 0 | 9035 |
| Mishima | city | Ehime-ken | Japan | 33.9833333 | 133.55 | 150 | 22670 |
| Mitsugahama | city | Ehime-ken | Japan | 33.85 | 132.7166667 | 200 | 23670 |
| Mitsuhama | city | Ehime-ken | Japan | 33.85 | 132.7166667 | 200 | 23670 |
| Mitsukue | city | Ehime-ken | Japan | 33.45 | 132.25 | 328 | 8092 |
| Mituhama | city | Ehime-ken | Japan | 33.85 | 132.7166667 | 200 | 23670 |
| Mitukue | city | Ehime-ken | Japan | 33.45 | 132.25 | 328 | 8092 |
| Miyakubo | city | Ehime-ken | Japan | 34.1666667 | 133.0666667 | 328 | 22991 |
| Miyanokubo | city | Ehime-ken | Japan | 34.1666667 | 133.0666667 | 328 | 22991 |
| Miyanoshita | city | Ehime-ken | Japan | 33.2833333 | 132.6 | 652 | 33939 |
| Miyanoura | city | Ehime-ken | Japan | 34.25 | 133 | 209 | 24483 |
| Miyaura | city | Ehime-ken | Japan | 34.25 | 133 | 209 | 24483 |
| Miyoshi | city | Ehime-ken | Japan | 33.95 | 133.05 | 190 | 27561 |
| Mizuchi | city | Ehime-ken | Japan | 34.15 | 133.0333333 | 78 | 15244 |
| Mizugaura | city | Ehime-ken | Japan | 33.2 | 132.45 | 131 | 8318 |
| Mori | city | Ehime-ken | Japan | 34.2833333 | 133.0333333 | 3 | 20857 |
| Moriyama | city | Ehime-ken | Japan | 33.4833333 | 132.6333333 | 328 | 34151 |
| Munagata | city | Ehime-ken | Japan | 34.2 | 132.95 | 3 | 10893 |
| Mutsuki | city | Ehime-ken | Japan | 33.95 | 132.6666667 | 0 | 6900 |
| Muzuki | city | Ehime-ken | Japan | 33.95 | 132.6666667 | 0 | 6900 |
| Myoguchi | city | Ehime-ken | Japan | 33.8833333 | 133.0833333 | 328 | 32719 |
| Myokuchi | city | Ehime-ken | Japan | 33.8833333 | 133.0666667 | 252 | 32719 |
| Myokuchi | city | Ehime-ken | Japan | 33.8833333 | 133.0833333 | 328 | 32719 |
| Myōguchi | city | Ehime-ken | Japan | 33.8833333 | 133.0833333 | 328 | 32719 |
| Myōkuchi | city | Ehime-ken | Japan | 33.8833333 | 133.0833333 | 328 | 32719 |
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