William Pratt

William or Billy Pratt may refer to:

William Pratt (MP for Southwark)
William Henry Pratt, real name of actor Boris Karloff
William Pratt (born 1609), ancestor of the Pratt-Romney family
William Pratt (rugby league), rugby league footballer of the 1950s for Leeds, and Halifax
William Veazie Pratt, admiral in the United States Navy
Billy Pratt (footballer, born 1872), English football winger for Small Heath from 1889 to 1892
Billy Pratt (footballer, born 1874), English football full-back for Small Heath from 1894 to 1902
Spike (Buffyverse), a character from television series Buffy the Vampire Slayer
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