| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Gladdens Trailer Court | city | Ohio | United States | 39.65 | -81.84 | 830 | |
| Glade | city | Ohio | United States | 39.01 | -82.78 | 830 | |
| Gladstone | city | Ohio | United States | 39.74 | -83.68 | 1099 | |
| Glandorf | city | Ohio | United States | 41.03 | -84.08 | 830 | |
| Glasgow | city | Ohio | United States | 40.31 | -81.55 | 889 | |
| Glasgow | city | Ohio | United States | 40.66 | -80.69 | 1197 | |
| Glass | city | Ohio | United States | 39.55 | -81.13 | 997 | |
| Glass Rock | city | Ohio | United States | 39.88 | -82.29 | 898 | |
| Glen Ebon | city | Ohio | United States | 39.40 | -82.19 | 830 | |
| Glen Echo | city | Ohio | United States | 40.00 | -83.80 | 987 | |
| Glen Este | city | Ohio | United States | 39.10 | -84.26 | 898 | |
| Glen Jean | city | Ohio | United States | 39.11 | -82.98 | 830 | |
| Glen Karn | city | Ohio | United States | 40.01 | -84.79 | 1151 | |
| Glen Nell | city | Ohio | United States | 39.15 | -82.62 | 830 | |
| Glen Oak | city | Ohio | United States | 40.18 | -83.00 | 925 | |
| Glen Ridge Acres | city | Ohio | United States | 39.10 | -84.27 | 862 | |
| Glen Ridge Mobile Home Park | city | Ohio | United States | 40.79 | -81.79 | 1095 | |
| Glen Robbins | city | Ohio | United States | 40.16 | -80.74 | 967 | |
| Glen Roy | city | Ohio | United States | 39.11 | -82.58 | 830 | |
| Glen Run | city | Ohio | United States | 40.20 | -80.75 | 866 | |
| Glen Summitt | city | Ohio | United States | 38.95 | -82.32 | 830 | |
| Glenburg (historical) | city | Ohio | United States | 41.43 | -84.46 | 830 | |
| Glenchester | city | Ohio | United States | 39.96 | -83.15 | 898 | |
| Glencoe | city | Ohio | United States | 40.01 | -80.89 | 905 | |
| Glencoe Estates | city | Ohio | United States | 39.96 | -83.77 | 997 | |
| Glendale | city | Ohio | United States | 41.40 | -81.54 | 941 | |
| Glendale | city | Ohio | United States | 39.27 | -84.46 | 830 | |
| Glendale | city | Ohio | United States | 40.64 | -80.54 | 830 | |
| Glendale | city | Ohio | United States | 38.57 | -82.76 | 830 | |
| Glendon | city | Ohio | United States | 39.51 | -83.55 | 997 | |
| Glendwell | city | Ohio | United States | 40.37 | -80.66 | 1095 | |
| Glenford | city | Ohio | United States | 39.89 | -82.32 | 898 | |
| Glenmar | city | Ohio | United States | 40.55 | -81.21 | 997 | |
| Glenmont | city | Ohio | United States | 40.52 | -82.10 | 1020 | |
| Glenmoor | city | Ohio | United States | 40.67 | -80.62 | 1171 | |
| Glenmoor Trailer Park | city | Ohio | United States | 40.66 | -80.63 | 1095 | |
| Glenmore | city | Ohio | United States | 40.78 | -84.70 | 830 | |
| Glenmore Estates | city | Ohio | United States | 41.45 | -81.93 | 830 | |
| Glenndale (historical) | city | Ohio | United States | 40.13 | -80.71 | 830 | |
| Glenross | city | Ohio | United States | 40.24 | -83.03 | 908 | |
| Glenroy | city | Ohio | United States | 38.41 | -82.51 | 830 | |
| Glens Cottage Area | city | Ohio | United States | 40.49 | -81.19 | 997 | |
| Glens Cottage Area | city | Ohio | United States | 40.52 | -81.27 | 997 | |
| Glenville | city | Ohio | United States | 41.53 | -81.62 | 830 | |
| Glenville (historical) | city | Ohio | United States | 40.81 | -83.05 | 961 | |
| Glenwillow | city | Ohio | United States | 41.36 | -81.47 | 977 | |
| Glenwillow Mobile Home Park | city | Ohio | United States | 41.37 | -81.49 | 964 | |
| Glenwood | city | Ohio | United States | 39.87 | -81.57 | 1000 | |
| Glenwood | city | Ohio | United States | 41.57 | -83.57 | 830 | |
| Glenwood (historical) | city | Ohio | United States | 39.22 | -84.33 | 830 | |
| Glenwood Addition | city | Ohio | United States | 41.57 | -83.59 | 830 | |
| Glenwood Estates | city | Ohio | United States | 41.40 | -84.15 | 830 | |
| Gloria Glens Park | city | Ohio | United States | 41.06 | -81.90 | 1007 | |
| Gloucester Village | city | Ohio | United States | 40.84 | -81.50 | 1095 | |
| Glouster | city | Ohio | United States | 39.50 | -82.08 | 830 | |
| Glynwood | city | Ohio | United States | 40.58 | -84.32 | 872 |