List of Famous people named William

William Forbes, 7th Lord Forbes (1513-1593) was a Scottish landowner.

William Eden, 1st Baron Auckland, PC (Ire), FRS was a British diplomat and politician who sat in the British House of Commons from 1774 to 1793.

William IX, called the Troubador, was the Duke of Aquitaine and Gascony and Count of Poitou between 1086 and his death. He was also one of the leaders of the Crusade of 1101. Though his political and military achievements have a certain historical importance, he is best known as the earliest troubadour—a vernacular lyric poet in the Occitan language—whose work survives.

William V, a member of the House of Hesse, was Landgrave of Hesse-Kassel from 1627 to 1637. Having come to rule in unfavorable circumstances and in the midst of the Thirty Years' War, he continued to suffer losses of territory and wealth.

William Herbert, 1st Earl of Pembroke KG, known as "Black William", was a Welsh nobleman, soldier, politician, and courtier. He was the son of William ap Thomas, founder of Raglan Castle, and Gwladys ferch Dafydd Gam, and grandson of Dafydd Gam, an adherent of King Henry V of England.

William Markham, English divine, served as Archbishop of York from 1777 until his death.

William I, called the Great, was Count of Burgundy from 1057 to 1087 and Mâcon from 1078 to 1087. He was a son of Renaud I and Alice of Normandy, daughter of Richard II, Duke of Normandy. William was the father of several notable children, including Pope Callixtus II.

William Duff, 1st Earl Fife, of Braco, Banff, was a Scottish landowner and politician who sat in the House of Commons from 1727 to 1734.

William Miles Nairne Kington was an English army officer and cricketer.

William Babington FRS FGS was an Anglo-Irish physician and mineralogist.