| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maelifell | city | Iceland | 65.43 | -19.35 | 367 | 0 | |
| Maelifellsa | city | Iceland | 65.45 | -19.40 | 567 | 0 | |
| Malland | city | Iceland | 66.05 | -20.05 | 183 | 0 | |
| Malmey | city | Iceland | 66.02 | -19.55 | 3 | 0 | |
| Mannskadhaholl | city | Iceland | 65.93 | -19.48 | 0 | 46 | |
| Mannskaðahóll | city | Iceland | 65.93 | -19.48 | 0 | 46 | |
| Marbaeli | city | Iceland | 65.83 | -19.33 | 839 | 0 | |
| Marbæli | city | Iceland | 65.83 | -19.33 | 839 | 0 | |
| Melbreidh | city | Iceland | 65.97 | -18.97 | 708 | 0 | |
| Melbreið | city | Iceland | 65.97 | -18.97 | 708 | 0 | |
| Melstadhur | city | Iceland | 65.82 | -19.37 | 108 | 0 | |
| Melstaður | city | Iceland | 65.82 | -19.37 | 108 | 0 | |
| Melur | city | Iceland | 65.65 | -19.58 | 68 | 16 | |
| Merkigardhur | city | Iceland | 65.45 | -19.33 | 265 | 0 | |
| Merkigarður | city | Iceland | 65.45 | -19.33 | 265 | 0 | |
| Merkigil | city | Iceland | 65.33 | -18.98 | 839 | 0 | |
| Meyjarland | city | Iceland | 65.80 | -19.68 | 157 | 341 | |
| Midhgrund | city | Iceland | 65.57 | -19.35 | 72 | 6 | |
| Midhholl | city | Iceland | 66.05 | -19.33 | 177 | 0 | |
| Midhhus | city | Iceland | 65.85 | -19.37 | 216 | 14 | |
| Midhmor | city | Iceland | 66.05 | -19.18 | 377 | 0 | |
| Midhsitja | city | Iceland | 65.50 | -19.27 | 633 | 0 | |
| Miklaey | city | Iceland | 65.53 | -19.35 | 45 | 14 | |
| Miklibaer | city | Iceland | 65.52 | -19.30 | 278 | 0 | |
| Miklibaer | city | Iceland | 65.80 | -19.32 | 196 | 0 | |
| Miklibær | city | Iceland | 65.80 | -19.32 | 196 | 0 | |
| Miklibær | city | Iceland | 65.52 | -19.30 | 278 | 0 | |
| Mikliholl | city | Iceland | 65.77 | -19.32 | 334 | 0 | |
| Minna-Holt | city | Iceland | 66.05 | -19.00 | 367 | 0 | |
| Minni Akrar | city | Iceland | 65.55 | -19.32 | 272 | 0 | |
| Minni Brekka | city | Iceland | 66.02 | -19.05 | 324 | 0 | |
| Minni Reykir | city | Iceland | 66.03 | -19.15 | 134 | 0 | |
| Minni Thvera | city | Iceland | 66.02 | -19.05 | 324 | 0 | |
| Minni Þverá | city | Iceland | 66.02 | -19.05 | 324 | 0 | |
| Miðgrund | city | Iceland | 65.57 | -19.35 | 72 | 6 | |
| Miðhóll | city | Iceland | 66.05 | -19.33 | 177 | 0 | |
| Miðhús | city | Iceland | 65.85 | -19.37 | 216 | 14 | |
| Miðmór | city | Iceland | 66.05 | -19.18 | 377 | 0 | |
| Miðsitja | city | Iceland | 65.50 | -19.27 | 633 | 0 | |
| Moafell | city | Iceland | 65.93 | -18.95 | 820 | 0 | |
| Molastadhir | city | Iceland | 66.03 | -19.02 | 147 | 0 | |
| Molastaðir | city | Iceland | 66.03 | -19.02 | 147 | 0 | |
| Mosgerdhi | city | Iceland | 66.07 | -19.18 | 62 | 0 | |
| Moskogar | city | Iceland | 66.07 | -19.20 | 1102 | 0 | |
| Mælifell | city | Iceland | 65.43 | -19.35 | 367 | 0 | |
| Mælifellsá | city | Iceland | 65.45 | -19.40 | 567 | 0 | |
| Mór | city | Iceland | 66.05 | -19.18 | 377 | 0 | |
| Mósgerði | city | Iceland | 66.07 | -19.18 | 62 | 0 | |
| Mýrakot | city | Iceland | 65.93 | -19.40 | 190 | 172 | |
| Mýrar | city | Iceland | 66.07 | -19.33 | 114 | 0 |