Jewett is a surname. Notable people with the surname include:
Alf Jewett (1899–1980), English footballer
Bob Jewett (1934–2015), American football player
Charles Coffin Jewett (1816–1868), American librarian
Charles W. Jewett (Connecticut politician) (1913–2000), American politician
Charles W. Jewett (Indiana politician) (1884–1961), American lawyer and politician
Clyde Jewett (1907–1983), American politician, member of the Wisconsin State Assembly
Daniel T. Jewett (1807–1906), U.S. Senator from Missouri
David Jewett (1772–1842), American naval officer and privateer, an instrumental figure in Argentina's claim to the Falkland Islands
Edgar B. Jewett (1843–1924), American politician, mayor of the city of Buffalo, New York
Eleanore Myers Jewett (1890–?), American author
Eliezer Jewett (1731–1817), American founder and namesake of Jewett City, Connecticut
Elisha P. Jewett (1801–1894), American businessman, banker and political figure
Eliza Ann Jewett (1779–1856), American real-estate investor
Erastus W. Jewett (1836–1906), American Medal of Honor recipient
Ethel Jewett (1877–1944), American silent film actress
Fidelia Jewett (1851–1933), American mathematics and botany teacher
Frank B. Jewett (1879–1949), American engineer
Frank Jewett (sailor) (1917–1986), American sailor
Freeborn G. Jewett (1791–1858), American lawyer and politician
George Jewett (1870–1908), American athlete
Gordon Jewett (born 1978), Canadian cross-country skier
Grace Jewett (1876-1946), American architect
Harvey C. Jewett IV (born 1948), American attorney
Helen Jewett (1813–1836), American prostitute from New York City, famous for having been murdered
Hugh J. Jewett (1817–1898), U.S. Representative from Ohio
Isaiah Jewett (born 1997), Olympic American middle-distance runner
Jewett W. Adams (1835–1920), American politician
John P. Jewett (1814–1884), 19th century American book publisher from Boston, Massachusetts
John Welden Jewett (1870–1905) American teacher, community leader
Joshua Jewett (1815–1861), U.S. Representative from Kentucky
Kenneth Jewett (1880–1944), American boxer
Luther Jewett (1772–1860), U.S. Representative from Vermont
Lyman Jewett (1813–1897), American Baptist missionary
Mary Gregory Jewett (1908–1976), American historian and journalist
Maude Sherwood Jewett (1875–1953), American sculptor
Milo Parker Jewett (1808–1882), American college president
Nat Jewett (1844–1914), American baseball player
Nehemiah Jewett (1643–1720), colonial-era speaker of the Massachusetts House of Representatives
Otho C. Jewett (1852-1902), American architect
Paul King Jewett (1920–1991), American Christian theologian
Pauline Jewett (1922–1992), Canadian Member of Parliament
Randolph Jewett (1602–1675), English organist
Sarah Orne Jewett (1849–1909), American author
Solomon Jewett and his brother Phil, American sheep farmers, and oil and bank company owners
Sophie Jewett (1861–1909), American poet and professor
Stephen S. Jewett (1858–1932), American lawyer and politician
Ted Jewett (1904–1961), American character actor
Travis Jewett, American baseball coach
Trent Jewett (born 1964), American baseball coach
Willem Jewett (1963–2022), American lawyer and politician
William Smith Jewett (1821–1873), American painter