Dave Buchanan may refer to:
- Dave Buchanan (cyclist), see The Hobbit's Tale
- Dave Buchanan (Canadian football) (born 1948), running back in the Canadian Football League
- Dave Buchanan (footballer, born 1873) (1878–1950), Scottish footballer who played for Middlesbrough and Plymouth Argyle
- Dave Buchanan, radio presenter on WGR, New York
- Dave Buchanan, engineer on Raw and Elegy
- Dave Buchanan (cricketer), for Botswana, see 2008 ICC World Cricket League Division Five