List of Famous people named William

William Busac (1020–1076), son of William I, Count of Eu, and his wife Lesceline, was Count of Eu and Count of Soissons, de jure uxoris. William was given the nickname Busac by the medieval chronicler Robert of Torigni.

William Buller Fullerton Elphinstone, 15th Lord Elphinstone and 1st Baron Elphinstone, known as William Elphinstone until 1861, was a Scottish Conservative politician.

William Douglas, 1st Duke of Queensberry PC, also 3rd Earl of Queensberry and 1st Marquess of Queensberry, was a Scottish politician.

William Baliol Brett, 1st Viscount Esher, PC, known as Sir William Brett between 1868 and 1883, was a British lawyer, judge, and Conservative politician. He was briefly Solicitor-General under Benjamin Disraeli and then served as a justice of the Court of Common Pleas between 1868 and 1876, as a Lord Justice of Appeal between 1876 and 1883 and as Master of the Rolls. He was raised to the peerage as Baron Esher in 1885 and further honoured when he was made Viscount Esher on his retirement in 1897.

William Montgomery McGovern was an American adventurer, political scientist, Northwestern University professor, anthropologist and journalist. He was possibly an inspiration for the character of Indiana Jones.