Cities and Communities in New Brunswick
| Maces Bay | McGowans Corner | Millville |
| Mactaquac | McGraw Brook | Minto |
| Madran | McKees Mills | Miramichi (Regional City) |
| Magaguadavic | McKendrick | Miramichi (Village) |
| Magundy | McKinleyville | Miramichi East (Chatham) |
| Maisonette | McLean Settlement | Miramichi West (Newcastle) |
| Maltais | McNamee | Miscou Centre |
| Maltampec | Meadow Brook | Mispec |
| Manners Sutton | Mechanic Settlement | Molus River |
| manuets | Meductic | Moncton |
| Maple Glen | Melrose | Moores Mills |
| Maple Grove | Memramcook | Morrisdale |
| Maple ridge | Menneval | Moss Glen |
| Marysville | Middle Sackville | Moulin-Morneault |
| Masquapit Lake | Middlesex | Mount Pleasant |
| Maugerville | Midjic | Murray Corner |
| McAdam | Mill Cove | Musquash |
| McGivney | Millerton |