| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Tabor | city | Ohio | United States | 40.55 | -81.15 | 1158 | |
| Taborville | city | Ohio | United States | 41.36 | -81.30 | 1148 | |
| Tacoma | city | Ohio | United States | 40.00 | -81.15 | 1217 | |
| Tadmor (historical) | city | Ohio | United States | 39.90 | -84.17 | 830 | |
| Talawanda Springs | city | Ohio | United States | 39.58 | -84.80 | 997 | |
| Tall Timber Estates | city | Ohio | United States | 39.31 | -84.38 | 879 | |
| Tallmadge | city | Ohio | United States | 41.10 | -81.44 | 1049 | |
| Tama | city | Ohio | United States | 40.63 | -84.62 | 846 | |
| Tamarack Highlands | city | Ohio | United States | 40.96 | -81.52 | 1095 | |
| Tamarack Hills | city | Ohio | United States | 39.57 | -84.25 | 856 | |
| Tamarack Lake Estates | city | Ohio | United States | 40.96 | -81.52 | 1059 | |
| Tammis Mobile Village | city | Ohio | United States | 40.53 | -83.85 | 997 | |
| Tampico | city | Ohio | United States | 40.05 | -84.79 | 1148 | |
| Tanglebrook | city | Ohio | United States | 39.88 | -83.11 | 830 | |
| Tappan | city | Ohio | United States | 40.36 | -81.21 | 997 | |
| Tara Estates | city | Ohio | United States | 38.89 | -82.15 | 830 | |
| Tarhe Town (historical) | city | Ohio | United States | 39.71 | -82.60 | 898 | |
| Tarlton | city | Ohio | United States | 39.56 | -82.78 | 928 | |
| Tarrymore | city | Ohio | United States | 40.73 | -81.52 | 997 | |
| Tawa Estates | city | Ohio | United States | 40.42 | -83.26 | 898 | |
| Tawawa | city | Ohio | United States | 40.24 | -84.03 | 1076 | |
| Taylor Centre (historical) | city | Ohio | United States | 40.34 | -83.40 | 997 | |
| Taylor Corners | city | Ohio | United States | 41.12 | -80.79 | 1007 | |
| Taylor Mobile Home Park | city | Ohio | United States | 39.71 | -82.57 | 895 | |
| Taylor Mobile Home Park | city | Ohio | United States | 41.89 | -80.72 | 830 | |
| Taylor Station | city | Ohio | United States | 39.99 | -82.84 | 898 | |
| Taylor Village | city | Ohio | United States | 39.39 | -84.37 | 898 | |
| Taylors Creek | city | Ohio | United States | 39.21 | -84.67 | 830 | |
| Taylorsburg | city | Ohio | United States | 39.83 | -84.29 | 898 | |
| Taylorsville | city | Ohio | United States | 39.08 | -83.73 | 964 | |
| Taylorsville | city | Ohio | United States | 39.86 | -84.17 | 830 | |
| Taylortown | city | Ohio | United States | 40.46 | -80.66 | 1095 | |
| Taylortown | city | Ohio | United States | 40.86 | -82.61 | 1190 |