All - Architectural style - Neoclassical architecture
| White, Charles M., House |
| White County Courthouse |
| Whitehall |
| Whitescarver Hall |
| Whitney School |
| Wickland |
| Wight, Allyn, House |
| Wilcox County Courthouse |
| Wilder, Gen. John T., House |
| Wiley, Calvin H., School |
| Wilkes County Courthouse |
| Wilkeson School |
| Wilkins House |
| Willacy County Courthouse |
| Willard Building |
| Willard-Clark House |
| Willard, Dr. Sylvester, Mansion |
| Willey, Waitman T., House |
| Williams, B. F., House |
| Williamsburgh Savings Bank |
| Williamson County Courthouse Historical District |
| Williamson-Russell-Rahilly House |
| Williams Plains |
| Willie Lamb Post No. 26 American Legion Hut |
| Willits Carnegie Library |
| Willsboro School, The |
| Willys-Overland Building |
| Wilmington Savings Fund Society |
| Wilmington Trust Company Bank |
| Wilson Building |
| Wilson County Courthouse |
| Wilson-Gibson House |
| Wilson, Gordon, Hall |
| Windsor Town Hall |
| Winecoff Hotel |
| Winfield National Bank Building |
| Wing Hall |
| Winkelmeyer Building |
| Winona Free Public Library |
| Winona High School and Winona Junior High School |
| Winston County Courthouse |
| Winston-Salem City Hall |
| Winyah Indigo School |
| Wirt County Courthouse |
| W. & L. E. Gurley Building |
| Wohlheter, George, House |
| Wolflin Historic District |
| Wolf-Ruebeling House |
| Wollaston Branch, Thomas Crane Public Library |
| Wollaston Theatre |
| Wolverine Hotel |
| Woman's Club of Beaumont Clubhouse |
| Woman's Club of Eustis |
| Woman's Club of Lodi |
| Woman's Club of Nashville (J.B. Daniel House) |
| Woman's Club of Winter Park |
| Women's Christian Temperance Union Community Building |
| Woodbine Normal and Grade School |
| Woodgrove |
| Woodhouse House |
| Woodland-Olney School |
| Wood Lawn |
| Woodmen of Union Building |
| Woodward and Tiernan Printing Company Building |
| Woodward, Chester B., House |
| Woodward, David J. and May Bock, House |
| Wooldridge Park |
| Woolworth, F. W., Building |
| Woonsocket Senior High and Junior High Schools |
| Worcester Bleach and Dye Works |
| World War Memorial |
| World War Memorial Library |
| Worsham High School |
| Worth County Courthouse |
| Worthen Bank Building |
| WROX Building |
| Wyandotte County Courthouse |
| Wynne House |
| Wyoming County Courthouse and Jail |
| Xenia Carnegie Library |
| Yakima Indian Agency Building |
| Yancey County Courthouse |
| Yates Center Carnegie Library |
| Yavapai County Courthouse |
| Yawkey, Cyrus C., House |
| Yazoo and Mississippi Valley Railroad Company Depot |
| Yearout, Isaac, House |
| Yell County Courthouse |
| YMCA |
| YMCA |
| Yost Theater-Ritz Hotel |
| Young Woman's Christian Association |
| Yreka Carnegie Library |
| Ysleta Mission |
| YWCA Blue Triangle Residence Hall |
| YWCA Boston |
| YWCA Building |
| YWCA Building |
| Zang, Adolph, Mansion |
| Ziebach County Courthouse |
Data from United States Park Service and Wikidata