Massachusetts - Area of significance: Architecture
| Whittenton Fire and Police Station |
| Whittenton Mills Complex |
| Whittier, John Greenleaf, Homestead (Haverhill) |
| Wianno Club |
| Wianno Historic District |
| Wickaboag Valley Historic District |
| Wigglesworth Building |
| Wigglesworth Building, The |
| Wight, Oliver, House |
| Wilber, Charles R., School |
| Wilbur Theatre |
| Wilder, Homestead, The |
| Wilder Street Historic District |
| Wiley, Caleb, House |
| Willard-Fisk House |
| Willard House and Clock Museum |
| Williams, Abiathar King, House |
| Williamsburg Center Historic District |
| Williams, Charles, House |
| Williams, Charles, Jr., House |
| Williams, Enoch, House |
| Williams, F. G., House |
| Williams, Francis D., House |
| Williams-Linscott House |
| Williams, Micah, House |
| Williams, N., House |
| Williams, N.S., House |
| Williamstown Rail Yard and Station Historic District |
| William Street Historic District |
| Willis, Joseph, House |
| Willis, Stillman, House |
| Willy's Overland Block |
| Wilmington Centre Village Historic District |
| Wilson, Capt. John, House and Bates Ship Chandlery |
| Wilson Mill-Old Burlington Road District |
| Wilson's Diner |
| Wilson, Shoreborne, House |
| Winchendon Village Historic District |
| Winchester Center Historic District |
| Winchester Savings Bank |
| Winchester Town Hall |
| Windsor Court Historic District |
| Windsor Print Works |
| Windsor Road Historic District |
| Winfield House |
| Wing Fort House |
| Wing's Neck Light |
| Winn Farm |
| Winn, Suell, House |
| Winship, Charles, House |
| Winslow Congregational Church |
| Winslow-Haskell Mansion |
| Winslow, Isaac, House |
| Winslow, Luther, Jr., House |
| Winslow School and Littlefield Library |
| Winter Street Historic District |
| Winter Street School |
| Winthrop Building |
| Winthrop Center/Metcalf Square Historic District |
| Winthrop, Deane, House |
| Winthrop Parkway, Metropolitan Parkway System of Greater Boston |
| Winthrop Street Baptist Church |
| Wirth, Jacob, Buildings |
| Wistariahurst |
| Wisteria Lodge |
| WITCH (catboat) |
| Withey, S. B., House |
| Woburn Public Library |
| Woburn Street Historic District |
| Wollaston Branch, Thomas Crane Public Library |
| Wollaston Congregational Church |
| Wollaston Fire Station |
| Wollaston Theatre |
| Wollaston Unitarian Church |
| Wollison-Shipton Building |
| Woman's Club of Fall River |
| Wood, Ahijah, House |
| Woodberry-Quarrels House |
| Woodbourne Historic District |
| Woodbridge Street Historic District |
| Woodbridge, Thomas March, House |
| Woodbury, Peter, House |
| Wood, Charles, House |
| Woodcock-Hatch-Maxcy House Historic District |
| Wood End Light Lookout Station |
| Wood, Ezra-Levi Warner Place |
| Woodford Street Historic District |
| Wood, J. A., House |
| Woodland Farm-Leland House |
| Woodland, Newton Highlands, and Newton Centre Railroad Stations, and Baggage and Express Building |
| Woodland Street Firehouse |
| Woodland Street Historic District |
| Wood, Nathan, House |
| Woodridge House |
| Woods End Road Historic District |
| Woodville School |
| Woodward Homestead |
| Woodward Institute |
| Woodward, John, House |
| Woodward, Rev. Samuel, House |
Data from United States Park Service and Wikidata