Ohio - Area of significance: Education
| Stuyvesant Hall |
| Thomas Select School |
| Timken Vocational High School |
| Towers Hall, Otterbein College |
| Twinsburg Institute |
| Unionville District School |
| University Hall-Gray's Chapel |
| University, Hayes and Orton Halls |
| Urbana College Historic Buildings |
| Van Deman, Henry, House |
| Vermilion Institute |
| Villa San Bernardo Historic District |
| Walnut Street School |
| Warder Public Library |
| Washburn, Rev. Ebenezer, House |
| Washington School |
| Washington Township School |
| Webster School |
| Weethee Historic District |
| Western Female Seminary |
| Western Reserve Academy |
| Westervelt Hall |
| Westerville High School-Vine Street School |
| West Market School |
| West School |
| West Technical High School |
| West Union School |
| Wheeler, John, House |
| Williams House |
| Windsor Public School |
| Withrow High School |
| Wittenberg University Historic District |
| Wright, Dr. Aaron, House |
| Xenia Carnegie Library |
| Yellow Springs Historic District |
Data from United States Park Service and Wikidata
