- Marshelder Island
- Marshelder Islands
- Martha
- Martins
- Martins Beach
- Martins Landing
- Martinsville
- Maryland
- Mashipacong Island
- Maskells Mill
- Masonicus
- Masonville
- Matawan
- Matchaponix
- Matthews
- Maurer
- Maurice River
- Mauricetown
- Maxim
- Maxwell
- Mayetta
- Mays Landing
- Mayville
- Maywood
- McAfee
- McCoys Corner
- McCrea Mills
- McDonald
- McGuire AFB
- McKee City