Missouri - Significance region: Local
| 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 Hotel |
| Washington Metropolitan African Methodist Episcopal Zion Church |
| Washington School |
| Washington University Dental Department Building |
| Waterman Place-Kingsbury Place-Washington Terrace Historic District |
| Watkins Family Farm Historic District |
| Watson, Samuel Stewart, House |
| Way, James W. and Mary, House |
| Webb, Elijah Thomas, House |
| Weber Implement and Automobile Company Building |
| Weber Implement and Automobile Company, Old |
| Webster College-Eden Theological Seminary Collegiate District |
| Webster Park Residential Historic District |
| Webster School |
| Wehrmann, Louis, Building |
| Weisert, John, Tobacco Company |
| Welfare Finance Company Building |
| Wellston J.C. Penney Building |
| Wellston Loop Commercial Historic District |
| Wellston Station |
| Wentzville Tobacco Company Factory |
| West Bottoms Historic District |
| West Broadway Historic District |
| West Eleventh Street Historic District |
| West End Saloon |
| Western Electric-Southwestern Bell Telephone Distribution House |
| Western Newspaper Union Building |
| Western Tablet and Stationery Company, Building #2 |
| Westhoff Grain and Mercantile Company |
| West Liberty Courthouse Square Historic District |
| West Locust and Olive Street Commercial and Industrial 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 |
| Wheatley-Provident Hospital |
| Wheatley Public School |
| Wheaton Missouri and North Arkansas Railroad Depot |
| Wheeling Corrugating Company Building |
| White Cloud Presbyterian Church and Cemetery |
| Wholesale District |
| 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 |
| Williamson-Kennedy School |
| Willing, Dr. George M., House |
| Willys-Overland Building |
| Wilshire Apartments |
| Wilson, J. Maple and Grace Senne, House |
| Wiltshire and Versailles Historic Buildings |
| Windsor Hall Apartments |
| Winkelmeyer Building |
| Winona Ranger Station Historic District |
| Winston Churchill Apartments |
| Wise Feed Company Building |
| Wolfner, Henry L., Memorial Library for the Blind |
| Wolz, George, House |
| Wood Building |
| Woodland-Old City Cemetery |
| Woodneath |
| Woods-Evertz Stove Company Historic District |
| Woodson-Sawyer House |
| Woodward and Tiernan Printing Company Building |
| Woolworth, F.W., Building |
| Wornall House |
| Worth Count Courthouse |
| WPA Stock Barn and Pavilion |
| Wright Brothers Mule Barn |
| Wright-Dalton-Bell-Anchor Department Store Building |
| Wright, Dr. Uriel S., Office |
| Wrought Iron Range Company Building |
| Wydown-Forsyth District |
| Wyeth Flats |
| Wyman, Edward, School |
| Wyman School |
| Yeatman Square Historic District |
| Young, W. A., House |
| Yount, Thomas and Mildred, House |
| YWCA, Phyllis Weatley Branch |
| Zehe Building |
| Zewicki, Dr. Enoch T. and Amy, House |
| Zion Lutheran Church |
| Zuendt, William E. and Frederica M., House |
Data from United States Park Service and Wikidata
