| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Markarskardh | city | Iceland | 63.78 | -20.13 | 354 | 85 | |
| Markarskarð | city | Iceland | 63.78 | -20.13 | 354 | 85 | |
| Marteinstunga | city | Iceland | 63.92 | -20.40 | 328 | 0 | |
| Meiritunga | city | Iceland | 63.87 | -20.52 | 101 | 0 | |
| Midhey | city | Iceland | 63.62 | -20.13 | 45 | 0 | |
| Midheyjarholmur | city | Iceland | 63.63 | -20.07 | 55 | 0 | |
| Midhkot | city | Iceland | 63.72 | -20.02 | 157 | 0 | |
| Midhkot | city | Iceland | 63.63 | -20.38 | 3 | 7 | |
| Midhmork | city | Iceland | 63.65 | -19.90 | 836 | 168 | |
| Minnahof | city | Iceland | 63.80 | -20.18 | 124 | 110 | |
| Minnivellir | city | Iceland | 63.98 | -20.23 | 269 | 0 | |
| Miðey | city | Iceland | 63.62 | -20.13 | 45 | 0 | |
| Miðeyjarhólmur | city | Iceland | 63.63 | -20.07 | 55 | 0 | |
| Miðkot | city | Iceland | 63.72 | -20.02 | 157 | 0 | |
| Miðkot | city | Iceland | 63.63 | -20.38 | 3 | 7 | |
| Miðmörk | city | Iceland | 63.65 | -19.90 | 836 | 168 | |
| Moeidharhvoll | city | Iceland | 63.75 | -20.35 | 45 | 65 | |
| Moldnupur | city | Iceland | 63.57 | -19.80 | 62 | 0 | |
| Mosar | city | Iceland | 63.53 | -19.70 | 29 | 0 | |
| Moshvoll | city | Iceland | 63.73 | -20.20 | 98 | 519 | |
| Muli | city | Iceland | 64.00 | -20.17 | 321 | 0 | |
| Mykjunes | city | Iceland | 63.93 | -20.37 | 331 | 0 | |
| Móeiðarhvoll | city | Iceland | 63.75 | -20.35 | 45 | 65 | |
| Múlakot | city | Iceland | 63.72 | -19.88 | 255 | 0 |