Blunt is a common surname of English derivation, meaning "blonde, fair" (Old French blund), or "dull" (Middle English blunt, blont) A variety spelling is Blount.
Lady Anne Blunt (1837–1917), English horsebreeder; wife of Wilfrid Scawen Blunt
Anthony Blunt (1907–1983), English art historian and Soviet spy
Charles Blunt (born 1951), leader of the National Party of Australia
Crispin Blunt (born 1961), English Conservative MP for Reigate
E. A. H. Blunt, administrator and writer of the British Raj
Edmund March Blunt (born 1770), American navigator and magazine publisher
Emily Blunt (born 1983), British actress
Giles Blunt (born 1952), Canadian author
James Blunt (born 1974), British musician
James G. Blunt (1826–1881), Union General in the American Civil War
John Henry Blunt (1823–1884), English divine
John James Blunt, (1794–1855), English religious scholar
Joseph Blunt (1792–1860), American lawyer, author, editor and politician from New York
Judy Blunt (born 1954), American Writer from Montana
Leroy Blunt (1921-2016), American politician
Matt Blunt (born 1970), governor of Missouri
N. Bowditch Blunt (1804–1854), American lawyer and politician from New York
Reginald Blunt (1857–1944), English author
Roy Blunt (born 1950), US Senator from Missouri, former House Majority Whip and interim House Majority Leader
Russell Blunt (1908–2004), notable North Carolina track and field coach
Simon F. Blunt (1818–1854) American Sailor, Cartographer, and Ship Captain
Wilfrid Scawen Blunt (1840–1922), English poet and writer
Wilfrid Jasper Walter Blunt (1901–1987), English art teacher, artist, author and curator of the Watts Gallery