Towns
| State | City/Town | Town Title |
|---|---|---|
| Ohio | Morrow | Morrow, OH |
| Ohio | Moscow | Moscow, OH |
| Ohio | Mount Blanchard | Mount Blanchard, OH |
| Ohio | Mount Cory | Mount Cory, OH |
| Ohio | Mount Eaton | Mount Eaton, OH |
| Ohio | Mount Gilead | Mount Gilead, OH |
| Ohio | Mount Hope | Mount Hope, OH |
| Ohio | Mount Liberty | Mount Liberty, OH |
| Ohio | Mount Orab | Mount Orab, OH |
| Ohio | Mount Perry | Mount Perry, OH |
| Ohio | Mount Pleasant | Mount Pleasant, OH |
| Ohio | Mount Saint Joseph | Mount Saint Joseph, OH |
| Ohio | Mount Sterling | Mount Sterling, OH |
| Ohio | Mount Vernon | Mount Vernon, OH |
| Ohio | Mount Victory | Mount Victory, OH |
| Ohio | Mowrystown | Mowrystown, OH |
| Ohio | Moxahala | Moxahala, OH |
| Ohio | Munroe Falls | Munroe Falls, OH |
| Ohio | Murray City | Murray City, OH |
| Ohio | Nankin | Nankin, OH |
| Ohio | Nashport | Nashport, OH |
| Ohio | Nashville | Nashville, OH |
| Ohio | Navarre | Navarre, OH |
| Ohio | Neffs | Neffs, OH |
| Ohio | Negley | Negley, OH |