U.S. History: Biographies
- William Harrell Felton
- William Harris Crawford
- William Hayden English
- William Henry Ashley
- William Henry Chase Whiting
- William Henry Harrison
- William Henry Hatch
- William Henry Seward
- William Hooper
- William Howard Taft
- William Howe 5th Viscount Howe
- William Hull
- William James Perry
- William Jasper
- William Jay
- William Jay Gaynor
- William Jennings Bryan
- William John Duane
- William Johnson
- William Joseph Casey