Cities
19,472 incorporated places. Staff can add a place that is missing from the gazetteer.
- Midway, OH
- Mifflin, OH
- Milan, OH
- Milford, OH
- Milford Center, OH
- Millbury, OH
- Milledgeville, OH
- Miller City, OH
- Millersburg, OH
- Millersport, OH
- Millville, OH
- Milton Center, OH
- Miltonsburg, OH
- Mineral City, OH
- Minerva, OH
- Minerva Park, OH
- Mingo Junction, OH
- Minster, OH
- Mogadore, OH
- Monroe, OH
- Monroeville, OH
- Montezuma, OH
- Montgomery, OH
- Montpelier, OH
- Moraine, OH
- Moreland Hills, OH
- Morral, OH
- Morristown, OH
- Morrow, OH
- Moscow, OH
- Mount Blanchard, OH
- Mount Cory, OH
- Mount Eaton, OH
- Mount Gilead, OH
- Mount Healthy, OH
- Mount Orab, OH
- Mount Pleasant, OH
- Mount Sterling, OH
- Mount Vernon, OH
- Mount Victory, OH
- Mowrystown, OH
- Munroe Falls, OH
- Murray City, OH
- Mutual, OH
- Napoleon, OH
- Nashville, OH
- Navarre, OH
- Nellie, OH
- Nelsonville, OH
- Nevada, OH
- Neville, OH
- New Albany, OH
- New Alexandria, OH
- New Athens, OH
- New Bavaria, OH
- New Bloomington, OH
- New Boston, OH
- New Bremen, OH
- New Carlisle, OH
- New Concord, OH