- 1 Whiteside, James, 1804-1876
- 1 Whitewash (water-base paint)
- 1 Whitewashing (coating)
- 6 Whiting (chalk)
- 1 Whiting Paper Company
- 1 Whiting's Saw Mill
- 1 Whitman & Miles Manufacturing Co.
- 1 Whitman & Son Chocolate Factory
- 17 Whitman, Pennsylvania
- 3 Whitney & Sons Car Wheel Works
- 2 Whittenton Manufacturing Co.
- 1 Whitworth Jones, H.
- 2 Wholesalers
- 1 Wickersham Commission
- 1 Wickersham, George Woodward, 1858–1936
- 1 Wickerwork (visual works)
- 1 Widener Building
- 3 Widener Home for Crippled Children
- 1 Widener, Eleanor Elkins
- 1 Widener, George D.
- 1 Widener, P.A.B. (Peter Arrell Brown) 1834-1915
- 1 Wider, W.
- 1 Widmayer's Dye Works
- 2 Widows
- 1 Wierix, Jérôme
- 1 Wierix, Jeronimus
- 1 Wiesbaden, Germany
- 1 Wigan, Alfred, 1814-1878
- 1 Wiggin, Kate Douglas, 1853-1923
- 1 Wightwick, William
- 2 Wigs
- 1 Wigwams
- 2 Wilbraham Steam Engine Works
- 1 Wilbur, Curtis D.
- 2 Wilbur's Chocolate (Firm)
- 1 Wilcock Umbrella Stick Turning Manufactory
- 1 Wilcox & Gibbs Sewing Machine Co.
- 2 Wild animals
- 3 Wild Men
- 29 Wild west shows
