The 1991 USC Trojans football team represented the University of Southern California (USC) in the 1991 NCAA Division I-A football season. In their fifth year under head coach Larry Smith, the Trojans compiled a 3–8 record (2–6 against conference opponents), finished in eighth place in the Pacific-10 Conference (Pac-10), and were outscored by their opponents by a combined total of 276 to 229.^[1]

Quarterback Reggie Perry led the team in passing, completing 131 of 255 passes for 1,574 yards with three touchdowns and 12 interceptions. Deon Strother led the team in rushing with 129 carries for 614 yards and seven touchdowns. Johnnie Morton led the team in receiving with 49 catches for 662 yards and no touchdowns.^[2]

Schedule

Date	Time	Opponent	Rank	Site	TV	Result	Attendance
September 2	1:30 p.m.	Memphis State*	No. 16	Los Angeles Memorial Coliseum Los Angeles, CA		L 10–24	55,637
September 14	6:00 p.m.	No. 5 Penn State*		Los Angeles Memorial Coliseum Los Angeles, CA	ABC	W 21–10	64,758
September 21	12:30 p.m.	Arizona State	No. 22	Los Angeles Memorial Coliseum Los Angeles, CA	ABC	L 25–32	59,623
September 28	8:00 p.m.	at Oregon		Autzen Stadium Eugene, OR	ESPN	W 30–14	45,948
October 12	3:30 p.m.	at Washington State		Martin Stadium Pullman, WA	Prime	W 34–27	23,997
October 19	12:30 p.m.	Stanford		Los Angeles Memorial Coliseum Los Angeles, CA (rivalry)	ABC	L 21–24	61,265
October 26	10:30 a.m.	at No. 5 Notre Dame*		Notre Dame Stadium Notre Dame, IN (rivalry)	NBC	L 20–24	59,075
November 2	12:30 p.m.	at No. 10 California		California Memorial Stadium Berkeley, CA	ABC	L 30–52	70,000
November 9	12:30 p.m.	No. 2 Washington		Los Angeles Memorial Coliseum Los Angeles, CA	ABC	L 3–14	59,320
November 16	3:30 p.m.	at Arizona		Arizona Stadium Tucson, AZ	Prime	L 14–31	41,053
November 23	12:30 p.m.	No. 25 UCLA		Los Angeles Memorial Coliseum Los Angeles, CA (Victory Bell)	Prime	L 21–24	84,623
*Non-conference game Homecoming Rankings from AP Poll released prior to the game

Roster