- Morgan Park
- Morgantown
- Morningside
- Morocco
- Morris
- Morrison Island
- Morristown
- Morton
- Morven
- Morvins Landing
- Moscow
- Mott Station
- Mound Haven
- Mount Auburn
- Mount Auburn
- Mount Ayr
- Mount Carmel
- Mount Comfort
- Mount Etna
- Mount Healthy
- Mount Jackson
- Mount Lawn
- Mount Liberty
- Mount Meridian
- Mount Olive
- Mount Olympus
- Mount Pisgah
- Mount Pleasant
- Mount Pleasant
- Mount Pleasant