Towns
| State | City/Town | Town Title |
|---|---|---|
| Ohio | Dola | Dola, OH |
| Ohio | Donnelsville | Donnelsville, OH |
| Ohio | Dorset | Dorset, OH |
| Ohio | Dover | Dover, OH |
| Ohio | Doylestown | Doylestown, OH |
| Ohio | Dresden | Dresden, OH |
| Ohio | Dublin | Dublin, OH |
| Ohio | Dunbridge | Dunbridge, OH |
| Ohio | Duncan Falls | Duncan Falls, OH |
| Ohio | Dundee | Dundee, OH |
| Ohio | Dunkirk | Dunkirk, OH |
| Ohio | Dupont | Dupont, OH |
| Ohio | East Claridon | East Claridon, OH |
| Ohio | East Fultonham | East Fultonham, OH |
| Ohio | East Liberty | East Liberty, OH |
| Ohio | East Liverpool | East Liverpool, OH |
| Ohio | East Palestine | East Palestine, OH |
| Ohio | East Rochester | East Rochester, OH |
| Ohio | East Sparta | East Sparta, OH |
| Ohio | East Springfield | East Springfield, OH |
| Ohio | Eastlake | Eastlake, OH |
| Ohio | Eaton | Eaton, OH |
| Ohio | Edgerton | Edgerton, OH |
| Ohio | Edison | Edison, OH |
| Ohio | Edon | Edon, OH |