David Chadwick

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 (writer) (born 1945), American writer on Buddhism
 * David Chadwick (footballer) (born 1943), English retired professional footballer
 * David Chadwick (politician, born 1821) (1821–1895), British Liberal Member of Parliament (MP) for Macclesfield 1868–1880
 * David Chadwick (Liberal Democrat politician), British Liberal Democrat Member of Parliament (MP) for Brecon, Radnor and Cwm Tawe since 2024.
 * Dave Chadwick (died 1960), Grand Prix motorcycle road racer