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| Navn | Grunnlagt | | Milford Haven | |
| Milk River, Canada | |
| Milne Bay | |
| Milwaukee | |
| Mina Abdullah | |
| Mina al Ahmadi, Kuwait | |
| Minatitlan, Mexico | |
| Minesprengt | |
| Mitsui | |
| Mitzushima | |
| Mo i Rana | |
| Mobile, Alabama, USA | |
| Moji | |
| Molde | |
| Moldøen | |
| Mollosund | |
| Mombasa | |
| Mongstad | |
| Monmouthshire | |
| Monrovia | |
| Monte Video | |
| Montechristo, Italia | |
| Montevideo, Uruguay | |
| Montreal, Qe, Canada | |
| Montrose, Angus, Skottland | |
