- Marilee Estates Mobile Home Park
- Mariners Point
- Marion
- Mark Center
- Markle
- Marl City
- Marlain Acres
- Marlboro
- Marne
- Marquand Mills
- Marquis
- Marr
- Marseilles
- Marshall
- Marshall Estates
- Marshallville
- Martel
- Martin
- Martin Mobile Home Park
- Martins Ferry
- Martinsburg
- Martinsville
- Mary Ellen
- Marysville
- Marysville
- Marysville Estates
- Mason
- Mason Mobile Home Park
- Massieville
- Massillon