Dunster is a village, civil parish and former manor in Somerset, England.
Dunster may also refer to: Dunster, British Columbia, Canada Dunster Castle, a country house in Dunster, Somerset, England Dunster House, a dormitory at Harvard University, US Dunster, a 1992 novel by John Mortimer
People with the Surname Bill Dunster (born 1960), British architect Charles Dunster (1750–1816), British writer and translator Chinmaya Dunster (born 1954), English musician and environmentalist Frank Dunster (1921–1995), Canadian ice hockey player Henry Dunster (1609–1658/9), Anglo-American Puritan clergyman and first president of Harvard College Henry Dunster (MP) (1618–1684), English merchant and politician Matthew Dunster, English theatre director, playwright and actor Robin Dunster (born 1944), Australian nurse and chief of staff of Salvation Army International Tomy Dunster, Argentinian actor