- McCauley
- Mechanicsville
- Millerstown
- Miola
- Mongtown
- Monroe
- Monterey
- Mount Airy
- Marron
- Mayes
- McCartney
- McGees Mills
- McPherron
- Middleton
- Mill Run
- Mineral Springs
- Morgans Land
- Mount Hope
- Mount Joy
- Mount Pleasant
- Mowry
- McCloskey Island
- Maple Grove
- Martzville
- McCauley
- Mifflin Cross Roads
- Mill Grove
- Millertown
- Monticello
- Mordansville