William Blake (1757–1827) was an English poet, visionary, painter, and printmaker.

William Blake may also refer to: William Blake (merchant) (d.1696), philanthropist who founded the Ladies Charity School, Highgate William Blake (economist) (1774–1852), English writer on monetary policy and government expenditure William Blake (outlaw) (1859–1895), outlaw of the Old West, and member of the Wild Bunch gang William Hume Blake (1809–1870), Canadian jurist and politician William J. Blake (1894–1968), American writer and husband of Christina Stead William O. Blake (1810–1865), American historian; also used pseudonym Thomas H. Prescott William Phipps Blake (1826–1910), American mineralogist and geologist William Rufus Blake (1805–1863), stage actor William Blake (died 1630), MP for Heytesbury William John Blake (1805–1875), British Whig politician William Blake, a character in Dead Man

See also The William Blakes, Danish pop rock band William Blake Herron, an American film screenwriter, director and actor William Blake Richmond (1842–1921), an English painter and decorator William Blake Everett (1917–1973), an American comic book writer and artist Will Blake (born 1991), American painter