The 2000 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 2000 NCAA Division I-AA football season.

In their third year under head coach Jerome Souers, the Lumberjacks compiled a 3–8 record (2–6 against conference opponents), were outscored by a total of 275 to 245, and tied for seventh place 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.