2004 Northern Arizona Lumberjacks football
Conference	Big Sky Conference
Record	4–7 (3–4 Big Sky)
Head coach	Jerome Souers (7th season)
Home stadium	Walkup Skydome
Seasons ← 2003 2005 →

The 2004 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 2004 NCAA Division I-AA football season. In their seventh year under head coach Jerome Souers, the Lumberjacks compiled a 4–7 record (3–4 against conference opponents), were outscored by a total of 314 to 244, and finished fifth out of eight 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.

Date	Time	Opponent	Site	Result	Attendance	Source
September 4		at Arizona	Arizona Stadium Tucson, AZ	L 3–21	49,741
September 11	6:00 p.m.	at Stephen F. Austin	Homer Bryce Stadium Nacogdoches, TX	L 17–24 OT	8,307
September 25		Weber State	Walkup Skydome Flagstaff, AZ	W 55–27	9,836	[2]
October 2		Sacramento State	Walkup Skydome Flagstaff, AZ	W 26–0	10,983	[3]
October 9		at Eastern Washington	Woodward Field Cheney, WA	L 14–45
October 16		Western New Mexico	Walkup Skydome Flagstaff, AZ	W 34–14	7,090	[4]
October 23		Portland State	Walkup Skydome Flagstaff, AZ	W 21–20	9,020	[5]
October 30		Montana State	Walkup Skydome Flagstaff, AZ	L 14–60	6,495	[6]
November 6		at No. 10 Montana	Washington–Grizzly Stadium Missoula, MT	L 22–34	22,274
November 13		at Idaho State	Holt Arena Pocatello, ID	L 17–24
November 20	6:05 p.m.	Northern Iowa	UNI-Dome Cedar Falls, IA	L 21–45
Homecoming Rankings from Coaches' Poll released prior to the game All times are in Mountain time