The 2015 Northern Arizona Lumberjacks football team represented Northern Arizona University in the 2015 NCAA Division I FCS football season. They were led by 18th-year head coach Jerome Souers and played their home games at the Walkup Skydome. They were a member of the Big Sky Conference. They finished the season 7–4, 5–3 in Big Sky play to finish in a four-way tie for fourth place.
See also: 2015 Stephen F. Austin Lumberjacks football team.
See also: New Mexico Highlands Cowboys and Cowgirls.
See also: 2015 Arizona Wildcats football team.
See also: 2015 Montana Grizzlies football team.
See also: 2015 Montana State Bobcats football team.
See also: 2015 UC Davis Aggies football team.
See also: 2015 Weber State Wildcats football team.
See also: 2015 Northern Colorado Bears football team.
See also: 2015 Eastern Washington Eagles football team.
See also: 2015 Sacramento State Hornets football team.
See also: 2015 Southern Utah Thunderbirds football team and Northern Arizona–Southern Utah football rivalry.