Sedgwick is a surname. Notable people with the surname include:
Adam Sedgwick (1785–1873), geologistAdam Sedgwick (1854–1913), zoologistAnne Douglas Sedgwick (1873–1935), writerBill Sedgwick (born 1955), NASCAR driverCam Sedgwick (born 1978), lacrosse playerCatharine Maria Sedgwick (1789–1867), writerCharles B. Sedgwick (1815–1883), US Representative from New YorkChris Sedgwick (born 1980), footballerEdie Sedgwick (1943–1971), actressEdward Sedgwick (1892–1953), movie director, writer, actor and producerEileen Sedgwick (1898–1991), actressEllery Sedgwick (1872–1960), editorEve Kosofsky Sedgwick (1950–2009), queer theoristHenry Dwight Sedgwick (1861–1957), lawyer and writerHenry J. Sedgwick (1812–1868), New York politicianHerbert Sedgwick (1883–1957), cricketerJohn Sedgwick (1813–1864), American Civil War generalJoseph Sedgwick (1898–1981), lawyerKyra Sedgwick (born 1965), actressMarcus Sedgwick (born 1968), author and illustratorMark Sedgwick (born 1960), historianObadiah Sedgwick (1599/1600–1658), Puritan divinePeter Sedgwick (1934–1983), socialist activist and writerRomney Sedgwick (1895–1972), historianRobert Sedgwick (1611–1656), ColonistRobert Sedgwick (born 19??), actorSteve Sedgwick (public servant), (born 1950) Australian senior public servantTheodore Sedgwick (1746–1813), SenatorTheodore Sedgwick (writer) (1811–1859), writerThomas Sedgwick (died 1573), Catholic theologian and martyrTimothy F. Sedgwick, academic and theologianToby Sedgwick, theatre director, actor and choreographerWilliam Thompson Sedgwick (1855–1921), biologist