Wisconsin - Significance region: Local
| Waupun Commercial Historic District |
| Waupun Post Office |
| Waupun Public Library |
| Wausau Club |
| Waushara County Courthouse, Waushara County Sheriff's Residence and Jail |
| Wauwatosa Arcade Building |
| Wauwatosa Avenue Residential Historic District |
| Wauwatosa Cemetery Chapel |
| Wauwatosa Woman's Club Clubhouse |
| Wayside House |
| Webb, Robert B. and Estelle J., House |
| Weber, Jacob, House |
| Weber Lake Picnic Ground Shelter |
| Weed, Justin, House |
| Weinbrenner Shoe Factory |
| Welch, C. A., House |
| Welcker's Resort Historic District |
| Welty, Daniel and Catherine Barn |
| Wemyss Building |
| Werner, Dr. Nels, House |
| West Allis Post Office |
| West Bay Club |
| West Bend Chicago and North Western Depot |
| West Bend Downtown Historic District |
| West Bend Post Office |
| West Center-North 32nd Industrial Historic District |
| West, Deacon, Octagon House |
| West Fifth Street-West Sixth Street Historic District |
| West, Gen. Francis H., House |
| West Hill Residential Historic District |
| West Lawn Heights Historic District |
| West Luther Valley Lutheran Church |
| West Madison Depot, Chicago, Milwaukee, and St. Paul Railway |
| West Main Street Historic District |
| West Main Street Historic District |
| West Milwaukee Street Historic District |
| West Mitchell Street Commercial Historic District |
| Weston-Babcock House |
| Weston's Antique Apple Orchard |
| West Park Street Historic District |
| West Prospect Avenue Historic District |
| West School |
| West Second Street Historic District |
| West Side Commercial Historic District |
| West Side School |
| West St. Paul Avenue Industrial Historic District |
| West Washington-North Hi-Mount Boulevards Historic District |
| Weyenberg Shoe Factory |
| Wheeler Hall, Northland College |
| Whistler Mound Group |
| White, F. F., Block |
| Whitefish Dunes-Bay View Site |
| White Limestone School |
| White Potato Lake Garden Beds Site |
| Whitewater Hotel |
| Whitewater Passenger Depot |
| Whitewater Post Office |
| Whiting, Frank B., House |
| Whiting, Frank, Boathouse |
| Whitman-Belden House |
| Whitney School |
| Whorton, John Hart, House |
| Wick, Michael, Farmhouse and Barn |
| Wiedenbeck-Dobelin Warehouse |
| Wilcox, Roy, House |
| Willard and Fern Tompkins House |
| Willard, Frances, Schoolhouse |
| William H. Hatten Recreation Park |
| Williams, Frank J., House |
| Williams Free Library |
| Williams, William G. and Anne, House |
| Wilmanor Apartments |
| Wilmarth, Lewis C. and Caroline, House |
| Wilmarth School |
| Wingra Park Historic District |
| Wing, William C., House |
| Winnebago Cheese Company |
| Winslow, George F., House |
| Winston-Cadotte Site |
| Wipf, J. & C., Mills |
| Wisconsin Avenue Historic District |
| Wisconsin Avenue Historic District |
| Wisconsin Consistory Building |
| Wisconsin Industrial School for Boys |
| Wisconsin Power and Light Berlin Power Plant |
| Wisconsin Telephone Company Building |
| Wisconsin Wagon Company Factory |
| Wolff-Jung Company Shoe Factory |
| Wood County Courthouse |
| Woodland Hotel |
| Wright, Ely, House |
| Wright, Razy and John, House |
| Wyalusing State Park Mounds Archeological District |
| Wyman-Rye Farmstead |
| Wywialowski, John and Anna, Farmstead |
| Yanke, Louis, Saloon |
| Yates, Florence, House |
| Yawkey, William H., Boathouse |
| Yorkville #4 School |
| Young, John, House |
Data from United States Park Service and Wikidata
