The 2017 Northern Arizona Lumberjacks football team represented Northern Arizona University in the 2017 NCAA Division I FCS football season.

They were led by 20th-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 7–5, 6–2 in Big Sky play to finish in a three-way tie for third place.

They received an at-large bid into the FCS Playoffs where they were lost to San Diego in the first round.