List of Famous people named William

William Ros, 3rd Baron Ros of Helmsley was a military commander under Edward III of England. He was knighted by the king in 1346, having helped raise the siege of Aiguillon. In the same year, he was one of the lords who led the second division in the Battle of Crécy, and afterwards commanded the fourth division of the English army against the Scots, near Neville's Cross, when David Bruce, with many of the Scottish nobles, was taken prisoner.

Sir William Jackson Hooker was an English botanist and botanical illustrator, who became the first director of Kew when in 1831 it was recommended to be placed under state ownership as a botanic garden. At Kew he founded the Herbarium and enlarged the gardens and arboretum. The standard author abbreviation Hook. is used to indicate this person as the author when citing a botanical name.

William Kirkpatrick Riland Bedford (1826–1905) was an English clergyman and author, known as an antiquary and genealogist, and also as a cricketer.