The 2011 Northern Arizona Lumberjacks football team represented Northern Arizona University in the 2011 NCAA Division I FCS football season. The Lumberjacks were led by 14th year head coach Jerome Souers and played their home games at the Walkup Skydome. They are a member of the Big Sky Conference. They finished the season 4–7, 3–5 in Big Sky play to finish in a tie for sixth place