List of Famous people named William

William Hare, 3rd Earl of Listowel KP JP, styled Viscount Ennismore from 1837 to 1856, was an Anglo-Irish peer and Liberal politician.

Major General William Havelock Chaplin Ramsden, was a senior British Army officer, who is most notable for commanding the 50th (Northumbrian) Infantry Division during the Second World War.

William Cockerill (1759–1832) was a British inventor, entrepreneur, and industrialist. Designing and producing machines for new industrial textile manufacturing, he is best known for having established a major manufacturing firm in what is now Liège Province of modern-day Belgium. He is widely considered to have been instrumental in spreading the Industrial Revolution in Continental Europe

Colonel William Cansfield Gerard, 2nd Baron Gerard was a British Army officer and nobleman.

William Boyd, 4th Earl of Kilmarnock, was a Scottish peer who joined the 1745 Jacobite Rising, was captured at Culloden and subsequently executed for treason on Tower Hill.