Cities in State of Ohio, United States ( 441 )
- Marietta, Ohio
- Marion, Ohio
- Martins Ferry, Ohio
- Marysville, Ohio
- Mason, Ohio
- Massillon
- Maumee, Ohio
- Mayfield Heights
- Mayfield, Ohio
- Mayfield, Ohio
- McDonald, Ohio
- Medina, Ohio
- Mentor, Ohio
- Mentor-on-the-Lake
- Miami Heights
- Miamisburg
- Middleburg Heights
- Middlefield, Ohio
- Middleport, Ohio
- Middletown, Ohio
- Milford, Ohio
- Millersburg, Ohio
- Mineral Ridge
- Minerva, Ohio
- Mingo Junction
- Minster, Ohio
- Mogadore, Ohio
- Monroe, Ohio
- Montgomery, Ohio
- Montpelier, Ohio
- Montrose-Ghent
- Moraine, Ohio
- Moreland Hills
- Mount Carmel, Ohio
- Mount Carmel, Ohio
- Mount Gilead, Ohio