William Peterson
William Peterson may refer to:
Academics
- William H. Peterson, economist, writer, and speaker following the ideas of Ludwig von Mises
- William Peterson (academic), Scottish academic and Principal of McGill University, Canada
- William Peterson (priest), Dean of Carlisle, and of Exeter
- W. Wesley Peterson, American mathematician and computer scientist
Politicians
- William Peterson (MP), Member of Parliament for Lewes
- William E. Peterson, Republican member of the Illinois Senate
- William H. Peterson (politician), member of the 1865–1867 California State Assembly
Sports
- Bill Peterson, American football coach
- Bill Peterson (linebacker), American football player
- Bill Peterson (basketball), director of basketball operations at Baylor University
- William James (American football), American football cornerback
- William Peterson (footballer), British footballer in the early 20th-century