Lord Newton

Lord Newton may refer to:
 * Alexander Hay, Lord Newton (died 1616), Scottish judge and Lord Clerk Register
 * William Oliphant, Lord Newton (1551–1628), Scottish judge
 * James Oliphant, Lord Newton (1571–1648), Scottish judge
 * John Leslie, Lord Newton (c.1595–1651), Scottish judge
 * David Falconer, Lord Newton (1640–1685), Scottish judge
 * John Graeme of Newton (died 1773), Earl of Alford and Lord Newton in the Jacobite peerage
 * Alexander Irving, Lord Newton (1766–1832), Scottish judge
 * William Legh, 1st Baron Newton (1828–1898), British politician
 * Thomas Legh, 2nd Baron Newton (1857–1942), British politician
 * Richard Legh, 3rd Baron Newton (1888–1960), British peer
 * Peter Legh, 4th Baron Newton (1915–1992), British politician
 * Tony Newton, Baron Newton of Braintree (1937–2012), British politician
 * Richard Legh, 5th Baron Newton (born 1950), British peer