List of Famous people named William

William II was Count of Hainaut from 1337 until his death. He was also Count of Holland and Count of Zeeland. He succeeded his father, Count William I of Hainaut, and married in 1334 to Joanna, Duchess of Brabant, the daughter and heiress of John III, Duke of Brabant, but had no issue.

William Keith, 9th Earl Marischal was a Jacobite politician and Earl Marischal of Scotland.

Sir William Johnstone "Tony" Keswick was a third generation member of the Scottish business dynasty the Keswick family, associated with the conglomerate Jardine Matheson. He served as Chairman of the Shanghai Municipal Council before the outbreak of the Pacific War, and survived a murder attempt by the Japanese in 1941. During the Pacific War, he served as head of the China Theatre of the Special Operations Executive, Britain's wartime secret service. After the war he served as Governor of the Hudson's Bay Company, among other positions.

Brigadier-General William Harry Verelst Darell CMG, DSO was a British Army officer and rower who won the Diamond Challenge Sculls at Henley Royal Regatta.

William Henry Smith was a British entrepreneur whose business included both newsagents and book shops. He was born in Little Thurlow, Suffolk, but ran his business in London, where he died. The family business evolved into the chain W H Smith.