Jails and Prisons in Massachusetts
| Facility | City |
|---|---|
| Whitman Police Jail | Whitman MA |
| Wilbraham Police Jail | Wilbraham MA |
| Williamsburg Police Jail | Williamsburg MA |
| Williamstown Police Jail | Williamstown MA |
| Wilmington Police Jail | Wilmington MA |
| Winchendon Police Jail | Winchendon MA |
| Winchester Police Jail | Winchester MA |
| Windsor Police Jail | Windsor MA |
| Winthrop Police Jail | Winthrop MA |
| Woburn Police Jail | Woburn MA |
| Worthington Police Jail | Worthington MA |
| Wrentham Police Jail | Wrentham MA |
| Yarmouth Police Jail | Yarmouth MA |