All - Architectural style - Second Empire architecture in the United States and Canada
| Vigo County Courthouse |
| Villard Hall |
| Vurpillat's Opera House |
| Wagner Palace |
| Wait, F. W., House |
| Wallingford Railroad Station |
| Walrath-Van Horne House |
| Warden, Samuel, House |
| Ward, William E., House |
| Warfield, Dr. Walter, Building |
| Warren, H., House |
| Washington County Courthouse |
| Washington County Jail and Sheriff's Residence |
| Webber, Henry, House-Pioneer Park |
| Wedgewood, Dr. Milton, House |
| Weeks, Charles M., House |
| Weess, Frank J., House |
| Weilermann, Gus, House |
| Wertz Mill |
| West End Saloon |
| Whalen, Harvey, House |
| Wheeler Block |
| Wheeler-Kohn House |
| Wheelwright Block |
| Whitehaven Hotel |
| White, John M., House |
| White, William L., Jr., House |
| Whiting, Samuel Kidder, House |
| Whitman, Josiah B., House |
| Wilbur House |
| Willard Asylum for the Chronic Insane |
| Willimantic Freight House and Office |
| Wing House |
| Wisteria Lodge |
| Woodman Building |
| Wright, John, Mansion |
| Young, Isaac, House |
| Zalud House |
Data from United States Park Service and Wikidata
