- Melvin Village
- Meredith
- Meredith Center
- Meredith Hill
- Meriden
- Meriden Hill
- Merrill Corners
- Merrill Island
- Merrimack
- Merriwood Camp
- Metallak Island
- Middleton Corners
- Milan
- Mile Island
- Milford
- Mill Hollow
- Mill Hollow
- Mill Village
- Mill Village
- Millville
- Milton
- Milton Mills
- Minister Island
- Mink Island
- Min Island
- Mink Island
- Mirror Lake
- Mittersill
- Moat Island
- Mohawk Island