List of Famous people named William

William Fiennes, 1st Viscount Saye and Sele was an English nobleman and politician, known also for his involvement in several companies for setting up overseas colonies.

William Beckford was a well-known political figure in 18th-century London, who twice held the office of Lord Mayor of London. His vast wealth came largely from his plantations in Jamaica and the large numbers of enslaved Africans working for him. He was, and is, often referred to as Alderman Beckford to distinguish him from his son William Thomas Beckford, author and art collector, and from his nephew William Beckford of Somerley (1744-1799), author and plantation-owner.

William the Great was duke of Aquitaine and count of Poitou from 990 until his death. Upon the death of the emperor Henry II, he was offered the kingdom of Italy but declined to contest the title against Conrad II.

William Drummond, 4th Viscount Strathallan was a Scottish peer and Jacobite, who died at the Battle of Culloden.

William Hare, 2nd Earl of Listowel, known as Viscount Ennismore from 1827 to 1837, was an Anglo-Irish peer and Member of Parliament (MP).

William Beresford, 1st Baron Decies was an Anglo-Irish clergyman.

William Philip Molyneux, 2nd Earl of Sefton, also known as Lord Dashalong, was a sportsman, gambler and a friend of the Prince Regent.