David Chadwick may refer to:
David Chadwick (physician) (1926–2020), American clinical and research pediatrician, author, founder of founder of Chadwick Center for Children and Autism Discovery Institute, San Diego David Chadwick (civil servant) (1876–1954), Indian civil servant David Chadwick (writer) (1945–2026), American writer on Buddhism David Chadwick (footballer) (born 1943), English retired professional footballer David Chadwick (politician, born 1821) (1821–1895), British politician, MP (1868–1880) David Chadwick (Liberal Democrat politician) (born 1991/1992), British politician, MP (since 2024) Dave Chadwick (1930–1960), Grand Prix motorcycle road racer