The 2002 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 2002 NCAA Division I-AA football season.

In their fifth year under head coach Jerome Souers, the Lumberjacks compiled a 6–5 record (3–4 against conference opponents), were outscored by a total of 284 to 252, and finished in a four-way tie for fourth 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.