- Mitchell
- Mitchell Island
- Mitchells Corner
- Mitchellville
- Moark
- Moberly
- Moccasin Springs
- Mock Corner
- Modena
- Mohawk Corner
- Mokane
- Moline Acres
- Molino
- Monarch
- Monark Springs
- Monastery
- Monday
- Monegaw Springs
- Monett
- Monkey Run
- Monroe City
- Montague
- Montague Hill
- Montauk
- Monteith Junction
- Monterey
- Montevallo
- Montgomery City
- Monticello
- Montier