Minnesota - Significance region: Local
| Williams Township School |
| Willis Hall-Carleton College |
| Willmar Auditorium |
| Willmar Tribune Building |
| Wilson, Hudson, House |
| Windego Park Auditorium/Open Air Theater |
| Windom Park Residential Historic District |
| Winnibigoshish Resort |
| Winona and St. Peter Engine House |
| Winona and St. Peter Freight Depot |
| Winona and St. Peter Railroad Freight House |
| Winona Athletic Club |
| Winona City Hall |
| Winona Commercial Historic District |
| Winona County Courthouse |
| Winona Free Public Library |
| Winona High School and Winona Junior High School |
| Winona Hotel |
| Winsted City Hall |
| Winter Saloon |
| Wirth Building |
| Wohlheter, George, House |
| Wolf, William R., House |
| Wolverton Public School |
| Woodbury House |
| Woodland Park Baptist Church |
| Woodland Park District |
| Wright, Arthur W., House |
| Wright, C. J., House |
| Wyer, Allemarinda and James, House |
| Wykoff Commercial Historic District |
| Yale, Darwin E., House |
| Yale Hardware Store |
| Yoerg, Anthony, Sr., House |
| Young America City Hall |
| YWCA of Duluth |
| Zinsmaster Baking Company Building |
| Zion Lutheran Church |
Data from United States Park Service and Wikidata
