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 (equestrian) (1935–2018), British Olympic equestrian David Barker (zoologist) (1922–2009), British zoologist and neurologist David Barker (cricketer) (born 1951), English cricketer David E. Barker (1836–1914), state legislator in Arkansas David R. Barker (born 1961), American author, academic and businessman Dave Barker (born 1947), Jamaican singer David Barker Stevenson (1801–1859), Canadian businessman David B. Barker (1943–2022), British Olympic equestrian David G. Barker (born 1952), American herpetologist