List of Famous people named William

William Henry Pickering was an American astronomer. Pickering constructed and established several observatories or astronomical observation stations, notably including Percival Lowell's Flagstaff Observatory. He led solar eclipse expeditions and studied craters on the Moon, and hypothesized that changes in the appearance of the crater Eratosthenes were due to "lunar insects". He spent much of the later part of his life at his private observatory in Jamaica.

William Cranstoun, 1st Lord Cranstoun was a Scottish Lord of Parliament, who played a prominent part in the pacification of the Anglo-Scottish border in the early 17th century.

William Vacanarat Shadrach Tubman was a Liberian politician. He was the 19th President of Liberia and the longest-serving president in the country's history, serving from his election in 1944 until his death in 1971.