Chadwick is an English surname of Anglo-Saxon origin; it is a combination of the modernised Old English given name Ceadda, and the anglicised Old Norse word vík which was introduced into England by Norsemen settlers. Notable people with the surname include:
Andrés Chadwick, Chilean politician
Alan Chadwick, English organic farming innovator
Allan Chadwick, Australian Paralympic shooter
Arthur Chadwick, former English footballer
Cassie Chadwick
David Chadwick (footballer)
Drew Chadwick, singer in Emblem3
Edgar Chadwick, former footballer
Edwin Chadwick, an English social reformer
E. Wallace Chadwick
Francis Brooks Chadwick, American painter active in France
Frank Chadwick, acclaimed American game designer and New York Times Best Selling author
French Ensor Chadwick, United States Navy officer who contributed to naval education
George Whitefield Chadwick, American Romantic composer
Guy Chadwick, English musician
H. Beatty Chadwick, jailed 14 years for civil contempt of court for failing to produce non-existent money
Hector Munro Chadwick, prominent English philologist and historian and a professor at the University of Cambridge
Helen Chadwick British Conceptual artist
Henry Chadwick (writer), prominent baseball figure, often called "the father of baseball"
Henry Chadwick (theologian), English theologian and Regius Professor at both the universities of Oxford and Cambridge
James Chadwick, English physicist and recipient of the 1935 Nobel Prize in physics for the discovery of the neutron
James Read Chadwick, prominent American gynecologist and medical librarian
Jeffrey R. Chadwick, Latter-Day Saint archeologist
John Chadwick, co-author of the decipherment of the Linear B Greek script
Sir John Chadwick (judge), British judge
John White Chadwick
June Chadwick
Justin Chadwick
Les Chadwick
Luke Chadwick
Lynn Chadwick, English artist and sculptor
Nick Chadwick, Plymouth Argyle F.C. footballer
Nora Kershaw Chadwick
Owen Chadwick
Peter Chadwick Australian Queens Counsel
Paul Chadwick, comic-book creator
Paul Chadwick (author), pulp magazine author
Robert E. Lee Chadwick (1930–2014), American anthropologist and archaeologist
Roy Chadwick
Samuel Chadwick, religious minister
Sheila Chadwick, music critic, entertainment news writer, author and host of "The Ghetto Cooking Show"
Stephanie Chadwick
Stephen F. Chadwick
W. D. Chadwick American football, baseball, and basketball coach.