| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Dialton | city | Ohio | United States | 40.03 | -83.94 | 1099 | |
| Diamond | city | Ohio | United States | 41.10 | -81.02 | 1000 | |
| Diamond (historical) | city | Ohio | United States | 40.90 | -81.32 | 1105 | |
| Diamond Valley | city | Ohio | United States | 40.62 | -80.86 | 997 | |
| Dickerson Mobile Home Park | city | Ohio | United States | 40.31 | -81.89 | 830 | |
| Dicksonton (historical) | city | Ohio | United States | 39.65 | -82.25 | 898 | |
| Digby | city | Ohio | United States | 41.29 | -83.71 | 830 | |
| Dilles Bottom | city | Ohio | United States | 39.92 | -80.78 | 830 | |
| Dillionvale | city | Ohio | United States | 39.22 | -84.40 | 882 | |
| Dillon Falls | city | Ohio | United States | 39.97 | -82.06 | 830 | |
| Dillon View | city | Ohio | United States | 40.00 | -82.09 | 830 | |
| Dillonvale | city | Ohio | United States | 40.20 | -80.78 | 830 | |
| Dillonvale | city | Ohio | United States | 39.22 | -84.40 | 889 | |
| Dills | city | Ohio | United States | 39.24 | -83.22 | 830 | |
| Diltz Corners | city | Ohio | United States | 40.04 | -84.26 | 898 | |
| Dipple | city | Ohio | United States | 40.20 | -83.32 | 990 | |
| Dixie | city | Ohio | United States | 39.65 | -82.25 | 898 | |
| Dixie View Trailer Park | city | Ohio | United States | 39.79 | -84.19 | 830 | |
| Dixiedale | city | Ohio | United States | 39.37 | -84.55 | 830 | |
| Dixon | city | Ohio | United States | 40.95 | -84.80 | 830 | |
| Dixon | city | Ohio | United States | 41.61 | -83.45 | 830 |