Ohio - Role: Building
| University Hall, Cleveland State University |
| University Hall-Gray's Chapel |
| University, Hayes and Orton Halls |
| Unzicker-Cook House |
| Upham-Wright House |
| Upland Farm |
| Upson House |
| Upson-Walton Company Building |
| Upton, Harriet Taylor, House |
| Urbana College Historic Buildings |
| Ursuline Center |
| U.S. Coast Guard Building |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office |
| U.S. Post Office and Courthouse |
| US Post Office and Federal Building-Zanesville |
| Valentine Theater Building |
| Valley Dale Ballroom |
| Van Deman, Henry, House |
| Van Horn Building |
| Vanmeter Church Street House |
| Vanmeter Stone House and Outbuildings |
| Van Rooy Coffee Company Building |
| Van Wert County Courthouse |
| Variety Store Building and Theatre |
| Vaughan, John, House |
| Vaughn, Daniel, Homestead |
| Vaughn, Richard, Farm |
| Venice Building |
| Vermilion Institute |
| Vermilion Town Hall |
| Verona Apartments |
| Versailles Town Hall and Wayne Township House |
| Viall Lodge |
| Vicary House |
| Victory Theater Building |
| Village Hobby Shop |
| Vitrolite Building |
| Voegele Building |
| Voice of America Bethany Relay Station |
| Von Schulenburg, Ernst, House |
| Voris, Peter Jr., House |
| Wade Memorial Chapel |
| Wadsworth, Benjamin, House |
| Wadsworth, Frederick, House |
| Wadsworth, James, House |
| Waernicke-Hille House And Store |
| Wagnalls Memorial |
| Wagner Brothers Bottling Works |
| Wagner Palace |
| Walke, Anthony, and Susan Cardinal, House |
| Walker and Weeks Office Building |
| Walker, Cristopher C., House and Farm |
| Walker, William, Jr., House |
| Wallace, Charlton, House |
| Wallace Farm |
| Walling, Ansel T., House |
| Wallischeck Homestead |
| Walnut Hills United Presbyterian Church |
| Walnut Street School |
| Walper, Capt. Henry, House |
| Walters, Dr. Jefferson A., House |
| Walters, Vincent, House-Walters Music Academy |
| Warder, John Aston, House |
| Warder Public Library |
| Ward House |
| Ward, John Q. A., House |
| Ward-Thomas House |
| Ward, W. S., House |
| Ware, Edwin L., House |
| Waring House |
| Warner & Swasey Company Building |
| Warner Theater |
| Warren, Moses, House |
| Warren Public Library |
| Warsaw Hotel |
| Warther Family Home and Museum |
| Warwick Interlocking Tower |
| Washburn, Rev. Ebenezer, House |
| Washington Heights School |
| Washington School |
| Washington Terrace Apartments |
| Washington Township School |
| Washington Township Voting Hall |
| Waterman Service Building |
| Watkins House |
| Watterson School |
| Watt-Groce-Fickhardt House |
| Waynesville Engine House and Lockup |
| Waynesville Greek Revival Houses |
| Webber, A. R., House |
| Webster Manufacturing |
| Webster School |
| Weddle, Callahill and Priscilla, House |
| Weizer Building |
| Weizer Building |
Data from United States Park Service and Wikidata
