William Boyce may refer to:
William Boyce (composer) (1711–1779), English-born composer and Master of the King's Musick
William Binnington Boyce (1804–1889), English-born philologist and clergyman, active in Australia
William W. Boyce (1818–1890), U.S. Confederate congressional delegate
William H. Boyce (1855–1942), jurist and U.S. representative from Delaware
William D. Boyce (1858–1929), founder of the Boy Scouts of America
William Boyce (rapist) (1865–1887), convicted rapist from the Mount Rennie rape case
