| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Raab Corners | city | Ohio | United States | 41.66 | -83.82 | 830 | |
| Raccoon Island | city | Ohio | United States | 38.72 | -82.20 | 830 | |
| Rachel Heights | city | Ohio | United States | 41.46 | -84.58 | 830 | |
| Racine | city | Ohio | United States | 38.97 | -81.91 | 830 | |
| Radcliff | city | Ohio | United States | 39.14 | -82.38 | 830 | |
| Radnor | city | Ohio | United States | 40.38 | -83.15 | 898 | |
| Rado (historical) | city | Ohio | United States | 39.70 | -81.38 | 1023 | |
| Ragersville | city | Ohio | United States | 40.45 | -81.63 | 1095 | |
| Raiders Run | city | Ohio | United States | 39.22 | -84.37 | 830 | |
| Rain Rock | city | Ohio | United States | 40.19 | -82.29 | 1053 | |
| Rainbow | city | Ohio | United States | 39.49 | -81.47 | 830 | |
| Rainbow Mobile Home Park | city | Ohio | United States | 40.50 | -82.88 | 997 | |
| Raineys (historical) | city | Ohio | United States | 41.14 | -83.34 | 830 | |
| Rainsboro | city | Ohio | United States | 39.22 | -83.42 | 898 | |
| Raintree Estates | city | Ohio | United States | 40.95 | -81.44 | 1102 | |
| Raker Corners | city | Ohio | United States | 41.53 | -83.98 | 830 | |
| Ralph (historical) | city | Ohio | United States | 40.13 | -82.78 | 1095 | |
| Ramblewood | city | Ohio | United States | 40.82 | -81.92 | 987 | |
| Ramsey | city | Ohio | United States | 40.19 | -80.83 | 925 | |
| Ranch Gardens | city | Ohio | United States | 41.60 | -83.57 | 830 | |
| Ranch Wood | city | Ohio | United States | 41.43 | -82.68 | 830 | |
| Randall | city | Ohio | United States | 41.43 | -81.53 | 1030 | |
| Randall Terrace | city | Ohio | United States | 39.33 | -83.02 | 830 | |
| Randle | city | Ohio | United States | 40.31 | -81.93 | 830 | |
| Randolph | city | Ohio | United States | 41.03 | -81.25 | 1148 | |
| Randolph Acres Mobile Home Park | city | Ohio | United States | 41.03 | -81.27 | 1122 | |
| Randolph Landing | city | Ohio | United States | 39.13 | -81.75 | 830 | |
| Range | city | Ohio | United States | 39.73 | -83.42 | 997 | |
| Ransom | city | Ohio | United States | 39.74 | -84.58 | 997 | |
| Rappsburg | city | Ohio | United States | 38.62 | -82.41 | 830 | |
| Rarden | city | Ohio | United States | 38.92 | -83.24 | 830 | |
| Ratchford | city | Ohio | United States | 39.12 | -82.51 | 830 | |
| Ratcliffburg | city | Ohio | United States | 39.26 | -82.68 | 830 | |
| Rathbone | city | Ohio | United States | 40.20 | -83.15 | 895 | |
| Rathbone | city | Ohio | United States | 39.44 | -81.46 | 830 | |
| Rathbone Heights | city | Ohio | United States | 39.44 | -81.46 | 830 | |
| Ratsville | city | Ohio | United States | 41.47 | -84.08 | 830 | |
| Ravenna | city | Ohio | United States | 41.16 | -81.24 | 1099 | |
| Ravines At Quail Creek | city | Ohio | United States | 39.84 | -83.06 | 830 | |
| Rawson | city | Ohio | United States | 40.96 | -83.78 | 830 | |
| Ray | city | Ohio | United States | 39.20 | -82.68 | 830 | |
| Rayland | city | Ohio | United States | 40.18 | -80.69 | 830 | |
| Raymond | city | Ohio | United States | 40.33 | -83.47 | 1053 | |
| Rays Corners | city | Ohio | United States | 41.68 | -80.78 | 948 | |
| Rays Corners | city | Ohio | United States | 41.24 | -80.77 | 902 |