William Benn

William Benn may refer to:

• William Wedgwood Benn, 1st Viscount Stansgate (1877–1960), British Liberal politician who later joined the Labour Party
• William Benn (divine) (1600–1680), English divine
• William Benn (Lord Mayor of London) (c. 1682–1755), British merchant
• Captain William Gordon Benn (1889-1962), Royal Navy