Towns
| State | City/Town | Town Title |
|---|---|---|
| Ohio | Lyons | Lyons, OH |
| Ohio | Macedonia | Macedonia, OH |
| Ohio | Macksburg | Macksburg, OH |
| Ohio | Madison | Madison, OH |
| Ohio | Magnetic Springs | Magnetic Springs, OH |
| Ohio | Magnolia | Magnolia, OH |
| Ohio | Maineville | Maineville, OH |
| Ohio | Malaga | Malaga, OH |
| Ohio | Malinta | Malinta, OH |
| Ohio | Malta | Malta, OH |
| Ohio | Malvern | Malvern, OH |
| Ohio | Manchester | Manchester, OH |
| Ohio | Mansfield | Mansfield, OH |
| Ohio | Mantua | Mantua, OH |
| Ohio | Maple Heights | Maple Heights, OH |
| Ohio | Maplewood | Maplewood, OH |
| Ohio | Marathon | Marathon, OH |
| Ohio | Marengo | Marengo, OH |
| Ohio | Maria Stein | Maria Stein, OH |
| Ohio | Marietta | Marietta, OH |
| Ohio | Marion | Marion, OH |
| Ohio | Mark Center | Mark Center, OH |
| Ohio | Marquis | Marquis, OH |
| Ohio | Marshallville | Marshallville, OH |
| Ohio | Martel | Martel, OH |