List of Famous people named William

William James Mayo was a physician and surgeon in the United States and one of the seven founders of the Mayo Clinic. He and his brother, Charles Horace Mayo, both joined their father's private medical practice in Rochester, Minnesota, US, after graduating from medical school in the 1880s. In 1919, that practice became the not-for-profit Mayo Clinic.

William Snow is an Australian actor born in Sydney. He is most famous for his role as Lord John Roxton on the TV series Sir Arthur Conan Doyle's The Lost World. He is also known for his voice-over work on the Outback Steakhouse commercials.

William de Romare, 1st Earl of Lincoln, 2nd Baron of Kendal, Lord of Bolingbroke.

William Henry Lang FRS FRSE FLS LLD was a British botanist and served as Barker professor of cryptogamic botany at the University of Manchester. He was also a specialist in paleobotany.

William Jackson was a figure in the American Revolution, most noteworthy as the secretary to the United States Constitutional Convention. He also served with distinction in the Continental Army during the Revolutionary War. After the war he served as one of President George Washington's personal secretaries.

William Brownrigg was a British doctor and scientist, who practised at Whitehaven in Cumberland. While there, Brownrigg carried out experiments that earned him the Copley Medal in 1766 for his work on carbonic acid gas. He was the first person to recognise platinum as a new element.

William Gregory Lee is an American actor.