- McNulta
- McQueen
- McVey
- Meadow Green
- Meadow Heights
- Meadowbrook
- Meadowdale Estates
- Meadows
- Meadowview
- Mechanicsburg
- Media
- Medinah
- Medora
- Meeks
- Meissner Island
- Melody
- Melrose
- Melrose Park
- Melville
- Melvin
- Melwood
- Menard
- Mendon
- Mendota
- Menominee
- Meppen
- Meredith
- Meredosia
- Meredosia Island
- Meredosia Island