- Manresa Island
- Margerie Manor
- Melville Village
- Mianus
- Mill Hill
- Mill Plain
- Mill Plain
- Miry Brook
- Mobile Medical Unit
- Morgan Fair Corners
- Murray
- Manchester Green
- Mayberry Village
- Meadowgate
- Mechanicsville
- Mill Pond Village
- Macedonia
- Marble Dale
- McClaveville
- Merwinsville
- Mill Brook
- Milton
- Minortown
- Mitcheltown
- Mooreville
- Mudgetown
- Maromas
- Menunketesuck Island
- Middle Island
- Miramichi