Sedgwick is a surname. Notable people with the surname include:
Adam Sedgwick (1785–1873), geologist
Adam Sedgwick (1854–1913), zoologist
Anne Douglas Sedgwick (1873–1935), writer
Bill Sedgwick (born 1955), NASCAR driver
Cam Sedgwick (born 1978), lacrosse player
Catharine Maria Sedgwick (1789–1867), writer
Charles B. Sedgwick (1815–1883), US Representative from New York
Chris Sedgwick (born 1980), footballer
Edie Sedgwick (1943–1971), actress
Edward Sedgwick (1892–1953), movie director, writer, actor and producer
Eileen Sedgwick (1898–1991), actress
Ellery Sedgwick (1872–1960), editor
Eve Kosofsky Sedgwick (1950–2009), queer theorist
Henry Dwight Sedgwick (1861–1957), lawyer and writer
Henry J. Sedgwick (1812–1868), New York politician
Herbert Sedgwick (1883–1957), cricketer
John Sedgwick (1813–1864), American Civil War general
Joseph Sedgwick (1898–1981), lawyer
Kyra Sedgwick (born 1965), actress
Marcus Sedgwick (born 1968), author and illustrator
Mark Sedgwick (born 1960), historian
Obadiah Sedgwick (1599/1600–1658), Puritan divine
Peter Sedgwick (1934–1983), socialist activist and writer
Romney Sedgwick (1895–1972), historian
Robert Sedgwick (1611–1656), Colonist
Robert Sedgwick (born 19??), actor
Steve Sedgwick (public servant), (born 1950) Australian senior public servant
Theodore Sedgwick (1746–1813), Senator
Theodore Sedgwick (writer) (1811–1859), writer
Thomas Sedgwick (died 1573), Catholic theologian and martyr
Timothy F. Sedgwick, academic and theologian
Toby Sedgwick, theatre director, actor and choreographer
William Thompson Sedgwick (1855–1921), biologist
