| City | Region |
|---|
| ›Machida | Honshu (Kanagawa-ken)› |
| ›Maebashi | Honshu (Gunma-ken)› |
| ›Maibara | Honshu (Shiga)› |
| ›Maizuru | Honshu (Fukui)› |
| ›Makurazaki | Kyushu (Kagoshima-ken)› |
| ›Mamurogawa | Yamagata› |
| ›Manazuru | Honshu (Shizuoka-ken)› |
| ›Maniwa | Honshu (Okayama-ken)› |
| ›Marumori | Honshu (Miyagi)› |
| ›Masaki | Shikoku (Kochi)› |
| ›Mashike | Hokkaido› |
| ›Mashiko | Honshu (Ibaraki-ken)› |
| ›Masuda | Honshu (Shimane-ken)› |
| ›Matsubara | Honshu (Osaka)› |
| ›Matsubushi | Honshu (Saitama-ken)› |
| ›Matsuda | Honshu (Kanagawa-ken)› |
| ›Matsudo | Honshu (Saitama-ken)› |
| ›Matsue | Honshu (Shimane-ken)› |
| ›Matsumae | Hokkaido› |
| ›Matsumoto | Honshu (Nagano-ken)› |
| ›Matsusaka | Honshu (Mie)› |
| ›Matsushima | Honshu (Miyagi)› |
| ›Matsuyama | Shikoku (Ehime)› |
| ›Matsuzaki | Honshu (Shizuoka-ken)› |
| ›Meiwa | Honshu (Mie)› |
| ›Mibu | Honshu (Ibaraki-ken)› |
| ›Midori | Honshu (Gunma-ken)› |
| ›Mihama | Honshu (Fukui)› |
| ›Mihara | Honshu (Hiroshima-ken)› |
| ›Miharu | Honshu (Fukushima)› |
| ›Miho | Honshu (Chiba-ken)› |
| ›Mikawa | Honshu (Yamagata-ken)› |
| ›Mimitsu | Kyushu (Miyazaki)› |
| ›Minakami | Honshu (Gunma-ken)› |
| ›Minamata | Kyushu (Kumamoto-ken)› |
| ›Minami Alps | Honshu (Yamanashi-ken)› |
| ›Minamiaizu | Honshu (Fukushima)› |
| ›Minamiawaji | Honshu (Hyogo)› |
| ›Minamiboso | Honshu (Chiba-ken)› |
| ›Minamiechizen | Honshu (Fukui)› |
| ›Minamiizu | Honshu (Shizuoka-ken)› |
| ›Minamisanriku | Honshu (Miyagi)› |
| ›Minamishibara | Kyushu (Nagasaki)› |
| ›Minamisoma | Honshu (Miyagi)› |
| ›Minamiuonuma | Honshu (Niigata-ken)› |
| ›Minano | Honshu (Shimane-ken)› |
| ›Minato | Honshu (Hyogo)› |
| ›Mino | Honshu (Gifu-ken)› |
| ›Minokamo | Honshu (Gifu-ken)› |
| ›Misato | Honshu (Shimane-ken)› |
| ›Misato | Honshu (Shimane-ken)› |
| ›Misato | Honshu (Saitama-ken)› |
| ›Misato | Honshu (Miyagi)› |
| ›Misato | Honshu (Akita)› |
| ›Misawa | Honshu (Aomori)› |
| ›Mishima | Honshu (Shizuoka-ken)› |
| ›Mishima | Honshu (Fukushima)› |
| ›Mitaka | Honshu (Tokyo)› |
| ›Mitane | Honshu (Akita)› |
| ›Mito | Honshu (Ibaraki-ken)› |
| ›Mitsuhama | Shikoku (Ehime)› |
| ›Mitsuke | Honshu (Niigata-ken)› |
| ›Miura | Honshu (Kanagawa-ken)› |
| ›Miyagi | Honshu (Miyagi)› |
| ›Miyajima | Honshu (Hiroshima-ken)› |
| ›Miyako | Honshu (Iwate)› |
| ›Miyanoura | Kagoshima-ken (Yakushima Island)› |
| ›Miyashiro | Honshu (Shimane-ken)› |
| ›Miyazaki | Kyushu (Miyazaki)› |
| ›Miyazu | Honshu (Kyoto)› |
| ›Miyoshi | Honshu (Saitama-ken)› |
| ›Miyoshi | Honshu (Aichi-ken)› |
| ›Mizuho | Honshu (Gifu-ken)› |
| ›Mizunami | Honshu (Gifu-ken)› |
| ›Mkinohara | Honshu (Shizuoka-ken)› |
| ›Mobara | Honshu (Chiba-ken)› |
| ›Mogami | Yamagata› |
| ›Moji | Kyushu (Fukuoka)› |
| ›Monbetsu | Hokkaido› |
| ›Mooka | Honshu (Ibaraki-ken)› |
| ›Mori | Honshu (Shizuoka-ken)› |
| ›Morioka | Honshu (Iwate)› |
| ›Moriya | Honshu (Saitama-ken)› |
| ›Moriyama | Honshu (Shiga)› |
| ›Motegi | Honshu (Ibaraki-ken)› |
| ›Motofukuoka | Honshu (Shimane-ken)› |
| ›Motomiya | Honshu (Miyagi)› |
| ›Motosu | Honshu (Gifu-ken)› |
| ›Motosu | Honshu (Gifu-ken)› |
| ›Mukō | Honshu (Kyoto)› |
| ›Munakata | Kyushu (Fukuoka)› |
| ›Murakami | Honshu (Niigata-ken)› |
| ›Murata | Honshu (Miyagi)› |
| ›Muroran | Hokkaido› |
| ›Muroto | Shikoku (Kochi)› |
| ›Murotsu | Honshu (Yamaguchi-ken)› |
| ›Musashino | Honshu (Tokyo)› |
| ›Mutsu | Honshu (Aomori)› |
| ›Mutsuzawa | Honshu (Chiba-ken)› |
| ›Myoko | Honshu (Niigata-ken)› |
