Dunnett is a surname. Notable people with the surname include:
Sir Alastair Dunnett (1908–1998), Scottish journalist and newspaper editor, husband of Dorothy Dunnett
Charles Dunnett (1921–2007), Canadian statistician Dorothy Dunnett (1923–2001), Scottish historical novelist, wife of Alastair Dunnett Jack Dunnett (1922–2019), British politician Sir James Dunnett (1914–1997), British civil servant Sir James Macdonald Dunnett (1877–1953), Indian civil servant Jonathan Dunnett (born 1974), British adventurer, windsurfing the mainland coastline of Europe Nigel Dunnett (1962–2026), British horticulturalist and academic Stephen Dunnett (born 1950), British neuroscientist
See also Dennett, surname Marvin Dunnette, American psychologist Dunnet, village in Caithness, Scotland Dunnet (disambiguation)