David Barnes
David Barnes may refer to:
- Dave Barnes, American singer-songwriter
- David Barnes (archer), Australian archer
- David Barnes (boxer), British boxer
- David Barnes (cricketer), English cricketer
- David Barnes (footballer), English footballer
- David Barnes (politician), New Zealand politician
- David Barnes (rugby union), English rugby union player
- David Barnes (sailor), New Zealand America's Cup sailor
- David L. Barnes, U.S. District Court of Rhode Island judge and party in 1791 case, West v. Barnes
- David S. Barnes, American historian of science
- David Wilson Barnes, American actor