Towns
| State | City/Town | Town Title |
|---|---|---|
| Ohio | Rogers | Rogers, OH |
| Ohio | Rome | Rome, OH |
| Ohio | Rootstown | Rootstown, OH |
| Ohio | Roseville | Roseville, OH |
| Ohio | Rosewood | Rosewood, OH |
| Ohio | Ross | Ross, OH |
| Ohio | Rossburg | Rossburg, OH |
| Ohio | Rossford | Rossford, OH |
| Ohio | Roundhead | Roundhead, OH |
| Ohio | Rudolph | Rudolph, OH |
| Ohio | Rushsylvania | Rushsylvania, OH |
| Ohio | Rushville | Rushville, OH |
| Ohio | Russells Point | Russells Point, OH |
| Ohio | Russellville | Russellville, OH |
| Ohio | Russia | Russia, OH |
| Ohio | Rutland | Rutland, OH |
| Ohio | Sabina | Sabina, OH |
| Ohio | Saint Clairsville | Saint Clairsville, OH |
| Ohio | Saint Henry | Saint Henry, OH |
| Ohio | Saint Johns | Saint Johns, OH |
| Ohio | Saint Louisville | Saint Louisville, OH |
| Ohio | Saint Marys | Saint Marys, OH |
| Ohio | Saint Paris | Saint Paris, OH |
| Ohio | Salem | Salem, OH |
| Ohio | Salesville | Salesville, OH |