| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Wianno | city | Massachusetts | United States | 41.61 | -70.39 | 0 | |
| Wigwam Beach | city | Massachusetts | United States | 41.62 | -70.86 | 3 | |
| Wilbraham | city | Massachusetts | United States | 42.12 | -72.43 | 291 | |
| Wilburite Corner | city | Massachusetts | United States | 41.59 | -70.98 | 49 | |
| Wilkins Four Corners | city | Massachusetts | United States | 42.01 | -71.31 | 196 | |
| Wilkinsonville | city | Massachusetts | United States | 42.18 | -71.72 | 830 | |
| Williamsburg | city | Massachusetts | United States | 42.39 | -72.73 | 830 | |
| Williamsburg Station | city | Massachusetts | United States | 42.39 | -72.72 | 830 | |
| Williamstown | city | Massachusetts | United States | 42.71 | -73.20 | 830 | |
| Williamsville | city | Massachusetts | United States | 42.27 | -73.38 | 830 | |
| Williamsville | city | Massachusetts | United States | 42.48 | -72.08 | 921 | |
| Willimansett | city | Massachusetts | United States | 42.18 | -72.62 | 98 | |
| Willow Lane Adult Trailer Park | city | Massachusetts | United States | 42.69 | -73.08 | 1669 | |
| Willowdale | city | Massachusetts | United States | 42.67 | -71.38 | 196 | |
| Willows | city | Massachusetts | United States | 42.56 | -71.54 | 246 | |
| Wilmington | city | Massachusetts | United States | 42.55 | -71.17 | 95 | |
| Wilmington Junction | city | Massachusetts | United States | 42.59 | -71.17 | 98 | |
| Winchendon | city | Massachusetts | United States | 42.69 | -72.04 | 990 | |
| Winchendon Center | city | Massachusetts | United States | 42.66 | -72.04 | 1194 | |
| Winchendon Springs | city | Massachusetts | United States | 42.69 | -72.01 | 1079 | |
| Winchester | city | Massachusetts | United States | 42.45 | -71.14 | 173 | |
| Winchester Highlands | city | Massachusetts | United States | 42.47 | -71.13 | 167 | |
| Windbrook Acres Mobile Home Park | city | Massachusetts | United States | 42.21 | -71.81 | 830 | |
| Windemere | city | Massachusetts | United States | 42.31 | -70.89 | 0 | |
| Windsor | city | Massachusetts | United States | 42.51 | -73.06 | 2050 | |
| Wingaersheek (historical) | city | Massachusetts | United States | 42.65 | -70.70 | 3 | |
| Wingbrook Estates | city | Massachusetts | United States | 42.09 | -70.85 | 98 | |
| Winnecunnet | city | Massachusetts | United States | 41.98 | -71.13 | 65 | |
| Winnmere | city | Massachusetts | United States | 42.49 | -71.18 | 157 | |
| Winsegansett Heights | city | Massachusetts | United States | 41.60 | -70.86 | 0 | |
| Winslow Estates | city | Massachusetts | United States | 42.08 | -70.91 | 104 | |
| Winslows | city | Massachusetts | United States | 42.17 | -71.21 | 98 | |
| Winslows Crossing | city | Massachusetts | United States | 42.11 | -70.87 | 78 | |
| Winter Hill | city | Massachusetts | United States | 42.40 | -71.10 | 72 | |
| Winters Corner | city | Massachusetts | United States | 42.07 | -71.06 | 147 | |
| Winthrop | city | Massachusetts | United States | 42.38 | -70.98 | 3 | |
| Winthrop Beach | city | Massachusetts | United States | 42.38 | -70.97 | 0 | |
| Winthrop Highlands | city | Massachusetts | United States | 42.39 | -70.97 | 39 |