David Barker
David Barker may refer to:
- David Barker Jr., U.S. Representative from New Hampshire
- David Barker (epidemiologist), English physician and epidemiologist
- David Barker (equestrian), British Olympic equestrian
- David Barker (zoologist), British zoologist and neurologist
- David Barker (cricketer), English cricketer
- David E. Barker, state legislator in Arkansas
- David R. Barker, American author, academic and businessman
- Dave Barker, Jamaican singer
- David Barker Stevenson, Canadian businessman
- David B. Barker, British Olympic equestrian
- David G. Barker, American herpetologist