The 2008 Northern Arizona Lumberjacks football team was an American football team that represented Northern Arizona University (NAU) as a member of the Big Sky Conference (Big Sky) during the 2008 NCAA Division I FCS football season.

In their eleventh year under head coach Jerome Souers, the Lumberjacks compiled a 6–5 record (4–4 against conference opponents), outscored opponents by a total of 316 to 273, and finished fifth out of nine teams in the Big Sky.

[1] On September 6, the team set a school record with 752 yards of total offense against New Mexico Highlands.

[2] The team played its home games at the J. Lawrence Walkup Skydome, commonly known as the Walkup Skydome, in Flagstaff, Arizona.