Barnardiston is a surname. Notable people with the surname include: Nathaniel Barnardiston (1588–1653), English politician and Member of Parliament Sir Samuel Barnardiston, 1st Baronet (1620–1707), English Whig Member of Parliament and deputy governor of the East India Company; son of Nathaniel Barnardiston Sir Samuel Barnardiston, 2nd Baronet (1659–1709), English Member of Parliament and barrister Sir Thomas Barnardiston, 1st Baronet (died 1669), English Member of Parliament; son of Nathaniel Barnardiston Sir Thomas Barnardiston, 2nd Baronet (c. 1646–1698), English Member of Parliament; son of Thomas Barnardiston, 1st Baronet Thomas Barnardiston (legal writer) (died 1752), English barrister and legal reporter
See also Barnardiston baronets, two extinct titles in the Baronetage of England Barnardiston family (medieval aristocracy), English medieval landholders