Missouri - Area of significance: Architecture
| Waddell House |
| Waggener Dairy Barn |
| Wagon Wheel Motel, Cafe and Station |
| Wainwright Building |
| Wainwright Tomb |
| Waldo Water Tower |
| Walker-Woodward-Schaffer House |
| Wallace House |
| Wallendorf, Joseph and Elizabeth, House |
| Walnut Inn |
| Walnut Park School |
| Walnut Street Commercial Historic District |
| Walnut Street Historic District |
| Walnut Street Historic District |
| Walnut Street Warehouse and Commercial Historic District |
| Waltman, A.C., House |
| Waltower Building |
| Wardell House |
| Ward, Seth E., Homestead |
| Warehouse Row Historic District |
| Warner, Maj. William, House |
| Warren County Courthouse and Circuit Court Building |
| Warren Steet Methodist Episcopal Church |
| Washington Avenue: East of Tucker District |
| Washington Avenue Historic District |
| Washington Chapel C.M.E. Church |
| Washington County Courthouse |
| Washington Metropolitan African Methodist Episcopal Zion Church |
| Washington School |
| Washington State Park CCC Historic District |
| Washington University Hilltop Campus Historic District |
| Waterman Place-Kingsbury Place-Washington Terrace Historic District |
| Watkins Family Farm Historic District |
| Watkins House |
| Watson, Samuel Stewart, House |
| Way, James W. and Mary, House |
| Webb, Elijah Thomas, House |
| Weber Implement and Automobile Company Building |
| Webster College-Eden Theological Seminary Collegiate District |
| Webster Park Residential Historic District |
| Webster School |
| Wehrmann, Louis, Building |
| Welfare Finance Company Building |
| Wellston J.C. Penney Building |
| Wellston Station |
| Wentworth Military Academy |
| West Broadway Historic District |
| West Cabanne Place Historic District |
| West Eleventh Street Historic District |
| Western Electric-Southwestern Bell Telephone Distribution House |
| West Liberty Courthouse Square Historic District |
| Westminster College Historic District |
| West Ninth Street-Baltimore Avenue Historic District |
| Weston Historic District |
| West Pine-Laclede Historic District |
| West Plains Bank Building |
| Westport High School |
| Westport Junior High School |
| West Walnut Street Commercial Historic District |
| Wetzell, Zebediah F. Mary H., House |
| White Cloud Presbyterian Church and Cemetery |
| White Haven; Ulysses S. Grant National Historic Site |
| White Rock Bluffs Archeological Pictograph Site |
| Wholesale District |
| Wholesale Row |
| Wichterich, Robert Felix and Elma Taylor, House |
| Wilcoxson and Company Bank |
| Wildwood House |
| Wilhoit, Edward M. and Della C., House |
| Wilhoit, E.M., Building |
| Wilkinson School |
| Williams, C. C., House |
| Williams-Gierth House |
| Williams, John Siddle, House |
| Willing, Dr. George M., House |
| Wilshire Apartments |
| Wilson, Ephraim J., Farm Complex |
| Wilson, J. Maple and Grace Senne, House |
| Wiltshire and Versailles Historic Buildings |
| Windsor Hall Apartments |
| Windsor Harbor Road Bridge |
| Winkelmeyer Building |
| Winona Ranger Station Historic District |
| Winston Churchill Apartments |
| Winston Churchill Memorial |
| Withington House |
| Wolf-Ruebeling House |
| Wolz, George, House |
| Woodneath |
| Woodson-Sawyer House |
| Woodward and Tiernan Printing Company Building |
| Wornall House |
| Worth Count Courthouse |
| WPA Stock Barn and Pavilion |
| Wright-Dalton-Bell-Anchor Department Store Building |
| Wright, Dr. Uriel S., Office |
| Wrought Iron Range Company Building |
| Wydown-Forsyth District |
| Wyman, Edward, School |
| Wyman School |
Data from United States Park Service and Wikidata
