Encyclopedias, Almanacs, Transcripts, and Maps
- Williams, Shirley Vivien Teresa Brittain, Baroness Williams of Crosby
- Williams, Sir Bernard
- Williams, Sir George
- Williams, William Sherley
- Williamson, Hugh
- Williamson, Oliver Eaton
- Williamsport
- Willibald, Saint
- Willibrord, Saint
- Willimantic
- Willingdon, Freeman Freeman-Thomas, 1st marquess of
- Willis Tower
- Williston
- Williston, Samuel Wendell
- Willmar
- Willowick
- Wilmette
- Wilmot, John
- Wilmut, Sir Ian
- Wilson cloud chamber