David Buchanan

David Buchanan may refer to:.
 * David Buchanan (baseball) (born 1989), American professional baseball pitcher
 * David Buchanan (cricketer) (1830–1900), spin bowler for pre-first-class Warwickshire and the Gentlemen
 * David Buchanan (footballer, born 1962), English professional footballer
 * David Buchanan (footballer, born 1986), professional footballer
 * David Buchanan (musician), American bass guitarist with Yankee Grey
 * David Buchanan (One Life to Live), a fictional character from the soap opera One Life to Live
 * David Buchanan (politician) (1823–1890), member of the New South Wales Legislative Assembly, and later the Council
 * David Buchanan (writer) (1595?–1652?), Scottish writer, author of De Scriptoribus Scotis and relative of historian George Buchanan
 * David M. Buchanan (1862–?), United States Navy sailor and recipient of the Medal of Honor