William Barrett may refer to: William Barrett (consul) (died 1584), English consul at Aleppo William Barrett (antiquarian) (1733–1789), English surgeon and antiquary William F. Barrett (1844–1925), English physicist William Lewis Barrett (1847–1927), British flautist and music teacher William N. Barrett (1855–1916), American politician from Oregon William Emerson Barrett (1858–1906), U.S. Representative from Massachusetts William H. Barrett (1866–1941), United States federal judge William Alexander Barrett, English church composer and author of the 1891 songbook English Folk Songs; see "Fathom the Bowl" William Daniel Barrett (1878–1953), New Zealand tribal leader, land court agent and trust board secretary William Barrett (priest) (1880–1956), British-Australian Anglican Dean of Brisbane William A. Barrett (1896–1976), U.S. Representative from Pennsylvania William Edmund Barrett (1900–1986), American writer William Barrett (philosopher) (1913–1992), American philosopher and critic W. S. Barrett (1914–2001), English classical scholar Bill Barrett (1929–2016), U.S. Representative from Nebraska 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