| Year: | 2009 |
| Team: | Duke Blue Devils |
| Sport: | football |
| Conference: | Atlantic Coast Conference |
| Division: | Coastal Division |
| Short Conf: | ACC |
| Record: | 5–7 |
| Conf Record: | 3–5 |
| Head Coach: | David Cutcliffe |
| Hc Year: | 2nd |
| Cooff Coach1: | Kurt Roper |
| Cooc1 Year: | 2nd |
| Cooff Coach2: | Matt Luke |
| Cooc2 Year: | 2nd |
| Off Scheme: | Multiple |
| Codef Coach1: | Mike MacIntyre |
| Codc1 Year: | 2nd |
| Codef Coach2: | Marion Hobby |
| Codc2 Year: | 2nd |
| Def Scheme: | Multiple |
| Mvp: | Thad Lewis |
| Captain: | Thad Lewis, Vincent Rey |
| Stadium: | Wallace Wade Stadium |
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.
See also: 2009 Richmond Spiders football team.
See also: 2009 Army Black Knights football team.
See also: 2009 Kansas Jayhawks football team.
See also: North Carolina Central Eagles football.
See also: 2009 Virginia Tech Hokies football team.
See also: 2009 NC State Wolfpack football team.
See also: 2009 Maryland Terrapins football team.
See also: 2009 Virginia Cavaliers football team.
See also: 2009 North Carolina Tar Heels football team and Victory Bell (Duke–North Carolina).
See also: 2009 Georgia Tech Yellow Jackets football team.
See also: 2009 Miami Hurricanes football team.
See also: 2009 Wake Forest Demon Deacons football team.