William Christie may refer to:
- William Christie (Unitarian) (1748âÂÂ1823), Scottish Unitarian writer
- William Harvie Christie (1808âÂÂ1873), Australian army officer and politician
- William Christie (dean of Moray, Ross and Caithness) (1816âÂÂ1885), Scots Episcopal priest and first dean of the United Diocese
- William Dougal Christie (1816âÂÂ1874), British Member of Parliament and diplomat
- William J. Christie (1824âÂÂ1899), Canadian politician and Hudson's Bay Company employee
- William Mellis Christie (1829âÂÂ1900), Scottish-born cookie company founder in Canada
- William Christie (Conservative politician) (1830âÂÂ1913), British Member of Parliament for Lewes, 1874âÂÂ1885
- William Christie (astronomer) (1845âÂÂ1922), British astronomer
- William Christie (dean of Brechin) (1858âÂÂ1931), Scots Episcopal priest and son of the above Dean of Moray
- William Christie (Ulster politician) (1913âÂÂ2008), British politician
- William Christie (musician) (born 1944), American-born French conductor and harpsichordist