List of Famous people named William

William Paget, 6th Baron Paget was an English peer and ambassador.

William Morgan Fletcher-Vane, 1st Baron Inglewood, TD, was a British Conservative Party politician.

William Russell Enoch is an English actor. He came to fame in 1956 when he took the title role in the television series The Adventures of Sir Lancelot on ITV, and subsequently played the role of companion Ian Chesterton in the BBC's Doctor Who. He appeared from the show's first episode in 1963, and departed in 1965.

William Andrews Clark Sr. was an American politician and entrepreneur, involved with mining, banking, and railroads.

William Roscoe was an English banker, lawyer, and briefly a Member of Parliament. He is best known as one of England's first abolitionists, and as the author of the poem for children The Butterfly's Ball, and the Grasshopper's Feast. In his day he was also respected as a historian and art collector, as well as a botanist and miscellaneous writer.

William Henry Burton (1739–1818) was an Irish politician.

William I de la Roche succeeded his brother, John I, as Duke of Athens in 1280.

William Barton Rogers was an American geologist, physicist, and educator at William & Mary from 1828 to 1835 and the University of Virginia from 1835 to 1853. In 1861, Rogers founded the Massachusetts Institute of Technology (MIT). The university opened in 1865 after the American Civil War. Because of his affiliation with Virginia, Mount Rogers, the highest peak in the state, is named after him.