David Barker may refer to: David Barker Jr. (1797–1834), U.S. Representative from New Hampshire David Barker (epidemiologist) (1938–2013), English physician and epidemiologist David Barker (zoologist) (1922–2009), British zoologist and neurologist David Barker (cricketer) (born 1951), English cricketer David R. Barker (born 1961), American author, academic and businessman Dave Barker (born 1948), Jamaican singer David Barker Stevenson (1801–1859), Canadian businessman David G. Barker (born 1952), American herpetologist