William Barrett may refer to:

  • William Barrett II (1754-1840), North Carolina Revolutionary War Captain, sheriff, and politician
  • W. S. Barrett (1914–2001), English classical scholar
  • William Barrett (antiquarian) (1733–1789), English antiquary and surgeon
  • William Barrett (consul) (died 1584), English consul
  • William Barrett (philosopher) (1913–1992), American philosopher and professor
  • William Barrett (priest) (1880–1956), British–Australian Anglican Dean of Brisbane
  • William A. Barrett (1896–1976), American lawyer and politician
  • William Edmund Barrett (1900–1986), American writer
  • William Emerson Barrett (1858–1906), American journalist and politician
  • William F. Barrett (1844–1925), English physicist
  • William H. Barrett (1866–1941), American federal judge
  • William Lewis Barrett (1847–1927), English flautist and music teacher
  • William N. Barrett (1855–1916), American politician

See also

  • Bill Barrett (disambiguation)
  • William Barratt (1823–1889), English convert to Mormonism
  • William Barratt (manufacturer) (1877–1939), British shoe manufacturer
  • William Cross Barratt (1862–1940), British Army and British Indian Army officer
  • William Barret ( 1579–1595), English divine
  • William Barret (died 1871), American businessman
  • William E. Berrett (1902–1993), writer and educator

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  • William S. Barrett (1854–1927), American artist

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