List of Famous people named William

William Manners Tollemache, Lord Huntingtower, known as Sir William Manners, Bt, between 1793 and 1821, was a British nobleman and Tory politician.

Hans William Bentinck, 1st Earl of Portland, Baron Bentinck of Diepenheim and Schoonheten, was a Dutch and English nobleman who became in an early stage the favourite of William, Prince of Orange, Stadtholder in the Netherlands, and future King of England. He was reportedly steady, sensible, modest and usually moderate. The friendship and cooperation stopped in 1699.

William Sinclair (1410–1480), 1st Earl of Caithness (1455–1476), last Earl (Jarl) of Orkney, 1st Lord Sinclair and 11th Baron of Roslin was a Norwegian and Scottish nobleman and the builder of Rosslyn Chapel, in Midlothian.

William Douglas-Hamilton, Duke of Hamilton, KG, PC, also known as Lord William Douglas and the Earl of Selkirk, was a Scottish nobleman and politician. He was the eldest son of The 1st Marquess of Douglas by his second wife, Lady Mary Gordon, a daughter of The 1st Marquess of Huntly.

Sir William Watson, FRS was an English physician and scientist who was born and died in London. His early work was in botany, and he helped to introduce the work of Carolus Linnaeus into England. He became a Fellow of the Royal Society in 1741 and vice president in 1772. He was knighted in 1786.

William Servat is a former French rugby union footballer and is currently an assistant coach for the French national team. Servat played as a hooker for Toulouse in the Top 14 club competition and for France at international level.

William IV, Count of Jülich was the son and heir of William III of Jülich and Mathilde of Limburg, daughter of Waleran III, Duke of Limburg.