Wiliam Paulet may refer to:
William Paulet, 1st Marquess of Winchester (1483–1572), English courtier William Paulet, 3rd Marquess of Winchester (1532–1598), English courtier, son of John Paulet, 2nd Marquess of Winchester William Paulet, 4th Marquess of Winchester (bef. 1598 – 1628), English courtier, son of William Paulet, 3rd Marquess of Winchester William Paulet, Lord St John (1587/88–1621), son of William Paulet, 4th Marquess of Winchester Lord William Paulet (1804–1893), son of the 13th Marquess and British Army officer
See also William Poulett (disambiguation)