The 2009 Duke Blue Devils football team represented Duke University in the 2009 NCAA Division I FBS football season.

It was Duke's 57th season as a member of the Atlantic Coast Conference (ACC) and fifth in its Coastal Division.

The Blue Devils were led by second-year head coach David Cutcliffe.

Duke finished the season 5–7 overall and 3–5 in ACC play, failing to qualify for a bowl game for the 15th straight season.

This college football 2000s season article is a stub.