William Fitch
William or Bill Fitch may refer to:
- William Stevenson Fitch, English antiquarian
- William Fitch , British soldier
- William Edward Fitch, American physician, surgeon and writer
- William H. Fitch, United States Marine Corps general
- W. Tecumseh Fitch, American evolutionary biologist and cognitive scientist
- Bill Fitch, American NBA coach
- Bill Fitch , American baseball player
- Benet Canfield, English mystic
- Clyde Fitch, American dramatist