John Beresford may refer to: * John Beresford (Waterford MP) (1738–1805), Irish MP for Waterford * John Claudius Beresford (1766–1846), Irish MP for Swords and Dublin, son of the above * Sir John Beresford, 1st Baronet (1766–1844), Royal Navy admiral, nephew of the Waterford MP * John Horsley-Beresford, 2nd Baron Decies (1773–1855), Anglo-Irish peer, nephew of the Waterford MP * Lord John Beresford (1773–1862), Anglican Archbishop of Armagh, nephew of the Waterford MP * John Beresford, 4th Marquess of Waterford (1814–1866), Irish peer and Church of Ireland minister, nephew of the above * John Beresford, 5th Marquess of Waterford (1844–1895), Irish peer, son of the above * John Beresford, 5th Baron Decies (1866–1944), Anglo-Irish army officer, polo player, great-great-nephew of the