William Phelps
William Phelps may refer to:
- Bill Phelps, Lieutenant Governor of Missouri
- William Phelps , one of the founders of Windsor, Connecticut
- William Phelps , Church of England cleric
- William E. Phelps, American politician from Illinois
- William F. Phelps, educational pioneer and author
- William H. Phelps Sr., American ornithologist and businessman.
- William H. Phelps Jr., Venezuelan ornithologist and businessman.
- William J. Phelps, Illinois legislator
- William Lyon Phelps, American author and critic
- William Preston Phelps, American landscape painter
- William Wallace Phelps, United States Representative from Minnesota
- William Walter Phelps, United States Representative from New Jersey
- W. W. Phelps , early convert and leader in the Latter Day Saint movement
- M. William Phelps, American crime writer and investigative journalist