William Baillie may refer to: William Baillie of Lamington (died 1568), Scottish landowner William Baillie, Lord Provand (died 1593), Scottish judge William Baillie (soldier) (died 1653), Scottish professional soldier William Baillie (engraver) (1723–1810), Irish artist William Baillie, Lord Polkemmet (1736–1816), Scottish judge William Baillie (East India Company officer) (died 1782), British lieutenant-colonel William Baillie (18th century artist) (1752/3–1799), British artist, active in Calcutta Sir William Baillie, 2nd Baronet (1816–1890), Scottish MP for Linlithgowshire W. D. H. Baillie (1827–1922), New Zealand politician William Baillie (cricketer) (1838–1895), English cricketer William J. L. Baillie (1923–2011), Scottish artist Bill Baillie (1934–2018), New Zealand runner