The 1948 Arizona State–Flagstaff Lumberjacks football team was an American football team that represented Arizona State Teachers College at Flagstaff (now known as Northern Arizona University) in the Border Conference during the 1948 college football season. In their second and final year under head coach Nick Ragus, the team compiled a 4–5 record (1–2 against conference opponents), was outscored by a total of 187 to 144, and finished in seventh place out of nine teams in the Border Conference.^[1] The team played its home games at Skidmore Field in Flagstaff, Arizona.

Date	Opponent	Site	Result	Attendance	Source
September 11	at West Texas State	Buffalo Stadium Canyon, TX	L 0–28		[2]
September 18	New Mexico A&M	Skidmore Field Flagstaff, AZ	W 13–7		[3]
October 2	San Pedro Athletic Club	Skidmore Field Flagstaff, AZ	W 21–12		[4]
October 16	at Arizona State	Goodwin Stadium Tempe, AZ	L 0–40		[5]
October 23	Redlands*	Skidmore Field Flagstaff, AZ	W 25–7	c. 5,000	[6]
October 30	at Western State (CO)*	Gunnison, CO	L 6–26		[7]
November 6	vs. La Verne*	Union High School field Kingman, AZ	W 47–6		[8]
November 13	Pepperdine*	Skidmore Field Flagstaff, AZ	L 20–34	3,700	[9]
November 27	at Whittier*	Hadley Field Whittier, CA	L 12–27		[10][11]
*Non-conference game Homecoming