| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Mahoma | city | Dominican Republic | 18.72 | -70.35 | 3507 | 10841 | |
| Majagüita | city | Dominican Republic | 18.37 | -70.35 | 1036 | 12951 | |
| Malo | city | Dominican Republic | 18.68 | -70.48 | 2762 | 10728 | |
| Manaclar | city | Dominican Republic | 18.52 | -70.45 | 3477 | 15164 | |
| Manaclar | city | Dominican Republic | 18.67 | -70.48 | 2227 | 10728 | |
| Manaclares | city | Dominican Republic | 18.67 | -70.48 | 2227 | 10728 | |
| Mancebo | city | Dominican Republic | 18.60 | -70.67 | 3428 | 9101 | |
| Mata Gorda | city | Dominican Republic | 18.27 | -70.32 | 108 | 32603 | |
| Mata Gorda | city | Dominican Republic | 18.27 | -70.30 | 150 | 30784 | |
| Matadero | city | Dominican Republic | 18.40 | -70.43 | 1889 | 10610 | |
| Matanza | city | Dominican Republic | 18.23 | -70.42 | 3 | 15594 | |
| Matanzas | city | Dominican Republic | 18.23 | -70.42 | 3 | 15594 | |
| Mellizo | city | Dominican Republic | 18.58 | -70.42 | 1843 | 12704 | |
| Mende | city | Dominican Republic | 18.48 | -70.48 | 2001 | 11690 | |
| Miranda | city | Dominican Republic | 18.57 | -70.47 | 2985 | 20960 | |
| Mocho | city | Dominican Republic | 18.62 | -70.48 | 2582 | 13834 | |
| Mogote Reparadero | city | Dominican Republic | 18.60 | -70.60 | 3792 | 10702 | |
| Mogote de los Pedregales | city | Dominican Republic | 18.63 | -70.62 | 7043 | 10557 | |
| Monte Bonito | city | Dominican Republic | 18.48 | -70.38 | 2286 | 10728 | |
| Monte Bonito | city | Dominican Republic | 18.58 | -70.45 | 2417 | 16122 | |
| Monte Bonito | city | Dominican Republic | 18.65 | -70.48 | 2805 | 10728 | |
| Monte Bonito de los Palos Grandes | city | Dominican Republic | 18.63 | -70.52 | 4153 | 12381 | |
| Monte Conuco | city | Dominican Republic | 18.30 | -70.47 | 688 | 10461 | |
| Monte Grande | city | Dominican Republic | 18.50 | -70.43 | 4363 | 11416 | |
| Monte Higüero | city | Dominican Republic | 18.30 | -70.47 | 688 | 10461 | |
| Monte Higüero | city | Dominican Republic | 18.30 | -70.48 | 364 | 10120 | |
| Monte La Cienaga | city | Dominican Republic | 18.60 | -70.62 | 3874 | 10349 | |
| Monte Llano | city | Dominican Republic | 18.45 | -70.32 | 2956 | 10728 | |
| Monte Maniel | city | Dominican Republic | 18.42 | -70.33 | 1807 | 10728 | |
| Monte Negro | city | Dominican Republic | 18.72 | -70.47 | 2286 | 10773 | |
| Monte de Honduras | city | Dominican Republic | 18.38 | -70.45 | 1085 | 10395 | |
| Monte de Javier | city | Dominican Republic | 18.47 | -70.30 | 1325 | 10728 | |
| Monteada de Javier | city | Dominican Republic | 18.47 | -70.30 | 1325 | 10728 | |
| Montería | city | Dominican Republic | 18.35 | -70.37 | 1227 | 14392 | |
| Méndez | city | Dominican Republic | 18.48 | -70.48 | 2001 | 11690 |