William Pearson
William Pearson may refer to:
- William Pearson (astronomer), English astronomer who helped found the Royal Astronomical Society
- William Pearson (baritone), American singer
- William Pearson (cricketer), Australian cricketer
- William Pearson (priest), Archdeacon of Nottingham
- William Pearson (scientist), professor of biochemistry and molecular genetics in the School of Medicine at the University of Virginia
- William Pearson (surveyor), surveyor in South Australia
- William Pearson (swimmer), English swimmer
- William Pearson (trade unionist), Scottish trade unionist and communist activist
- William Pearson (New Hampshire politician), member of the New Hampshire House of Representatives
- William Pearson Sr., member of Victorian Legislative Assembly and Council, racehorse owner
- William Pearson Jr., son of the above, member of the Victorian Legislative Council
- William Burton Pearson, Canadian crystallographer, known for Pearson symbol
- William Fisher Pearson, New Zealand politician
- William Gaston Pearson, African American educator and businessman
- William Henry Pearson, English botanist
- William Pearson (baritone), American baritone
- William Pearson (British politician), British Member of Parliament for Jarrow
- William W. Pearson, British teacher, secretary of Rabindranath Tagore
- Peter William Pearson, Canadian politician