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 7âÂÂ4, 5âÂÂ3 in Big Sky play to finish in a four-way tie for fourth place.