List of Famous people named William

William Powlett Powlett was an English landowner who lived at Lainston House in Hampshire.

William Lushington was a British politician and the Member of Parliament for the City of London from 1795 to 1802.

William Fleetwood was an English lawyer and politician. He was Member of Parliament for Marlborough in 1558, Lancaster in 1559 and 1567, and for the City of London several times between 1572 and 1592, but his most significant position was as Recorder of London from 1571 to 1591. A lawyer of the Middle Temple, he was a Queen's Serjeant in 1592.

The Hon. William Frederick Ormond O'Callaghan was an Irish Home Rule League politician.

William Welch Deloitte was a British accountant and the founder of the professional services firm that subsequently became Deloitte Touche Tohmatsu in the United States and Coopers & Lybrand Deloitte in the United Kingdom. He was born in London, England. He was one of the fathers of the accountancy profession.

William Charles Fortescue, 2nd Viscount Clermont, was an Irish politician.

William Henry Fortescue, 1st Earl of Clermont KP, was an Irish peer and politician.

William Frederick Webb (1829–1899) was a High Sheriff of Nottinghamshire and officer in the British Army.