Massachusetts - Criteria: C (architecture/engineering)
| Winthrop Center/Metcalf Square Historic District |
| Winthrop, Deane, House |
| Winthrop Parkway, Metropolitan Parkway System of Greater Boston |
| Winthrop Shore Dr., Metropolitan Park System of Greater Boston |
| Winthrop Street Baptist Church |
| 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 Street Firehouse |
| Woodland Street Historic District |
| Woodlawn Cemetery |
| Wood, Nathan, House |
| Woodridge House |
| Woods End Road Historic District |
| Woodville School |
| Woodward Homestead |
| Woodward Institute |
| Woodward, John, House |
| Woodward, Rev. Samuel, House |
| Woodward, Robert Strong, House and Studio |
| Woodward, William, House |
| Woodworth House |
| Worcester Academy |
| Worcester Asylum and related buildings |
| Worcester Bleach and Dye Works |
| Worcester City Hall and Common |
| Worcester Corset Company Factory |
| Worcester Five Cents Savings Bank |
| Worcester House |
| Worcester Market Building |
| Worcester State Hospital Farmhouse |
| Working Boys Home |
| Worthen, Daniel, House |
| Worthy Hotel |
| WPA Field House |
| Wrentham State School |
| Wright Cemetery |
| Wright House |
| Wright Memorial Library |
| Wright, Philemon/Asa Locke Farm |
| Wyatt, George, House |
| Wyeth Brickyard Superintendent's House |
| Wyeth, John, House |
| Wyeth-Smith House |
| Wyman, Francis, House |
| Wyman, George, House |
| Yale Avenue Historic District |
| Yarmouth Camp Ground Historic District |
| YMCA |
| Youth's Companion Building |
| YWCA Boston |
| Zemaitis, Anthony, Three-Decker |
Data from United States Park Service and Wikidata
