Ohio - Area of significance: Literature
| Bombeck, Erma, House |
| Clovernook |
| Columbus Near East Side District |
| Dayton Daily News Building |
| Dunbar, Paul Laurence, House |
| East Second Street District |
| Exchange Hotel |
| Gatewood |
| Hemann, Joseph A., House |
| House Of Four Pillars |
| Izant, Grace Goulder, House |
| Jefferson Avenue Historic District |
| McGuffey, William H., Boyhood Home Site |
| McIntire Terrace Historic District |
| Oak Hill Cottage |
| Oregon Historic District |
| Piatt, Abram S., House and Piatt, Donn S., House |
| Rankin Historic District |
| Rattermann, Heinrich A., House |
| Reid, Whitelaw, House |
| Schulkers, Robert F., House |
| Stowe, Harriet Beecher, House |
| Thurber, James, House |
Data from United States Park Service and Wikidata
