William Fortescue

• William Fortescue (judge), British judge, Master of the Rolls 1741–1749
• William Fortescue (died 1629), MP for Sudbury, Chipping Wycombe and Stockbridge
• William Fortescue, 1st [Earl of Clermont], Irish politician
• William Fortescue, [2nd Viscount Clermont], Irish politician, nephew of the above
• William Fortescue (1733–1816), Irish politician, MP for Monaghan [Borough (Parliament of Ireland constituency)|Monaghan Borough] 1798–1800