Ohio - Area of significance: Religion
| Shiloh Baptist Church |
| Shiloh Baptist Church |
| South Salem Academy |
| Springboro Historic District |
| St. Adalbert Polish Catholic Church |
| Stanton Farm |
| St. Boniface Roman Catholic Church, School, Rectory, and Convent of the Sister of the Precious Blood |
| St. Francis De Sales Church Historic District |
| St. Henry Roman Catholic Church and Rectory |
| St. James Episcopal Church |
| St. James Episcopal Church |
| St. John's Episcopal Church |
| St. John's Episcopal Church |
| St. John's Evangelical Lutheran Church |
| St. John's Lutheran Church |
| St. Joseph Catholic Church and Rectory |
| St. Joseph Catholic Church and School |
| St. Joseph Convent and Academy Complex |
| St. Joseph's Church and Friary |
| St. Mary's Catholic Church |
| St. Mary's Church of the Immaculate Conception |
| St. Mary's Of Morges |
| St. Michael Catholic Church Complex |
| St. Michael the Archangel Catholic Church |
| St. Nicholas Catholic Church and Rectory |
| St. Patrick's Catholic Church |
| St. Patrick's Catholic Church |
| St. Paul AME Church |
| St. Paul Church Historic District |
| St. Paul's Catholic Church and Rectory |
| St. Peter Evangelical Lutheran Church |
| St. Peter-In-Chains Cathedral |
| St. Peter's Lick Run Historic District |
| St. Stanislaus Church |
| St. Theodosius Russian Orthodox Cathedral |
| St. Thomas Aquinas Church |
| Tallmadge Town Square Historic District |
| Tawawa Chimney Corner |
| Temple on the Heights |
| Temple, The |
| Trinity Episcopal Church |
| Trinity German Evangelical Lutheran Church |
| Trinity Lutheran Church |
| Union Chapel |
| United Brethren in Christ |
| United Methodist Church |
| Universalist Church Historic District |
| Universalist Church Of Westfield Center |
| Urbana College Historic Buildings |
| Villa San Bernardo Historic District |
| Vistula Historic District |
| Walker, William, Jr., House |
| Wallace, Charlton, House |
| Warszawa Neighborhood District |
| Welsh Congregational Church |
| West Baptist Church |
| Whitney, Newel K., Store |
| Windsor Corners District |
| Windsor Mills Christ Church Episcopal |
| Wise, Isaac M., Temple-Center |
| Wyandot Mission Church |
| York United Methodist Church |
| Young-Shaw House |
| Zion Lutheran Church |
| Zion Lutheran Church |
| Zoar Historic District |
Data from United States Park Service and Wikidata
