William Ashburnham

• William Ashburnham (Royalist), English Member of the Long Parliament
• Sir William Ashburnham, 2nd Baronet, British MP for Hastings 1710–1713, 1722–1741, for Seaford 1715–1717
• Sir William Ashburnham, 4th Baronet, his nephew, Bishop of Chichester
• Sir William Ashburnham, 5th Baronet, his son, British MP for Hastings 1761–1774
• William Ashburnham, 2nd Baron Ashburnham, English landowner and politician