William Simonds may refer to:
William Simonds (author) (1822–1859), American author William E. Simonds (1842–1903), United States Representative and Medal of Honor recipient William Blackall Simonds (1761–1834), English brewer and banker William Barrow Simonds (1820–1911), English politician, MP for Winchester William Simonds (politician), MP for Windsor
See also William Symonds (disambiguation)