William Fitzherbert may refer to:
Saint William of York, Archbishop of York William Fitzherbert (politician, born 1810) (1810–1891), New Zealand politician Sir William FitzHerbert, 1st Baronet (1748–1791), of Derbyshire William FitzHerbert (MP), British MP for Derby 1762–1772, and the 1st Baronet's father William Fitzherbert (c. 1520–1559?), MP for Lichfield William Fitzherbert (mayor) (1842–1906), mayor of Lower Hutt, New Zealand