Indiana cities starting with M
- Madison, IN 45
- Marengo, IN 6
- Marion, IN 87
- Markle, IN 5
- Martinsville, IN 42
- Medaryville, IN 7
- Medora, IN 9
- Memphis, IN 6
- Merrillville, IN 45
- Michigan City, IN 61
- Middlebury, IN 11
- Middletown, IN 9
- Milan, IN 8
- Milford, IN 8
- Milltown, IN 6
- Mishawaka, IN 52
- Mitchell, IN 20
- Monon, IN 7
- Monroe City, IN 7
- Monroeville, IN 6
- Monrovia, IN 5
- Monterey, IN 5
- Montgomery, IN 6
- Monticello, IN 21
- Montpelier, IN 10
- Moores Hill, IN 6
- Mooresville, IN 27
- Morgantown, IN 14
- Morocco, IN 5
- Morristown, IN 5
- Mount Vernon, IN 21
- Muncie, IN 130
- Munster, IN 22