List of Famous people named William

General William Lygon Pakenham, 4th Earl of Longford, styled The Honourable William Pakenham before 1860, was an Anglo-Irish soldier and Conservative politician.

Sir William Conyngham Greene, was a British diplomat who served as minister to Switzerland, Romania and Denmark, and as ambassador to Japan.

William II, Lord of Béthune, nicknamed William the Red was French nobleman. He was a ruling Lord of Béthune, Richebourg and Warneton, as well as hereditary advocatus of the Abbey of St. Vaast, near Arras.

Sir William Guy Fison, MC 3rd Baronet was a British rower who competed in the 1912 Summer Olympics.

William Milton Asher was an American television and film producer, film director, and screenwriter. He was one of the most prolific early television directors, producing or directing over two dozen series.

Sir William ap Thomas was a Welsh nobleman, politician, knight, and courtier. He was a member of the Welsh gentry family that came to be known as the Herbert family through his son William Herbert, 1st Earl of Pembroke and is the agnatic ancestor, via an illegitimate descendant of the 1st Earl of the 8th creation, of the current Herbert family of the Earl of Pembroke and Montgomery, and also of the Herbert Earl of Carnarvon.

William Ros, 2nd Baron Ros of Helmsley was the son of William Ros, 1st Baron Ros and Maud de Vaux.