- Mabscott
- MacArthur
- Madison
- Mallory
- Man
- Mannington
- Marlinton
- Marmet
- Martinsburg
- Maryland Junction
- Mason
- Masontown
- Matewan
- Matheny
- Matoaka
- Maybeury
- McConnell
- McMechen
- Meadow Bridge
- Middlebourne
- Middleway
- Mill Creek
- Milton
- Minden
- Mineral Wells
- Mitchell Heights
- Monaville
- Monongah
- Montcalm
- Montgomery
- Montrose
- Moorefield
- Morgantown
- Moundsville
- Mount Carbon
- Mount Gay-Shamrock
- Mount Hope
- Mullens
