- 6 Wingohocking Mills
- 23 Wings (animal components)
- 2 Wings (building divisions)
- 1 Wink, Benjamin
- 1 Winn Memorial Public Library
- 1 Winnowing
- 1 Winpenny Mills
- 1 Winslow, Edward, 1595-1655
- 1 Winslow, John Ancrum, 1811-1873
- 1 Winslow, New Jersey
- 33 Winter
- 2 Winterbourne
- 1 Winthrop Smith & Co. Bankers (Firm)
- 8 Wire
- 1 Wire Bridge Hotel
- 26 Wire photographs
- 1 Wisconsin
- 7 Wisconsin State Building
- 1 Wisdom
- 7 Wises Mill Road
- 1 Wisler, Benjamin Brick Yard
- 1 Wisler, H.H. Lumber Yard
- 1 Wissahickon Avenue
- 11 Wissahickon Avenue
- 2 Wissahickon Carpet Factory
- 52 Wissahickon Creek
- 21 Wissahickon Drive
- 1 Wissahickon Drive
- 1 Wissahickon Drive
- 1 Wissahickon Drive
- 1 Wissahickon Drive
- 1 Wissahickon Hall
- 1 Wissahickon Paper Mill
- 1 Wissahickon Print Works
- 26 Wissahickon, Pennsylvania
- 1 Wissinoming House
- 9 Wissinoming, Pennsylvania
- 6 Wistar, Caspar, 1761-1818
- 5 Wister Street
- 1 Wister Woods Park