Newdigate (also spelled Newdegate) is a surname of English origin.

Notable people with the name Newdigate include:

John Newdigate (1600–1642), English politician Roger Newdigate (1719–1806), English politician and collector of antiquities Sir Richard Newdigate, 1st Baronet (1602–1678), MP for Tamworth, 1660 Sir Richard Newdigate, 2nd Baronet (1644–1710), MP for Warwickshire, 1681–85 and 1689–90 Richard Newdigate (1679–1745), MP for Newark-on-Trent, 1710–15 Sebastian Newdigate (1500–1535), Carthusian monk

Notable people with the name Newdegate include: Charles Newdigate Newdegate (1816–1887), British politician Edward Newdegate (1825–1902), British general Francis Newdegate (1862–1936), British Conservative politician, Governor of Tasmania and Western Australia Francis FitzRoy Newdegate, 3rd Viscount Daventry (1921–2000), British peer

See also Newdigate baronets Newdegate (disambiguation)