The 1990 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 1990 NCAA Division I-AA football season. In their first year under head coach Steve Axman, the Lumberjacks compiled a 5–6 record (3–5 against conference opponents), were outscored by a total of 416 to 290, and placed in a four-way tie for fifth out of nine teams in the Big Sky.[1] The team played its home games at the J. Lawrence Walkup Skydome, commonly known as the Walkup Skydome, in Flagstaff, Arizona.