| Year: | 1989 |
| Team: | USC Trojans |
| Sport: | football |
| Conference: | Pacific-10 Conference |
| Short Conf: | Pac-10 |
| Coachrank: | 9 |
| Aprank: | 8 |
| Record: | 9–2–1 |
| Conf Record: | 6–0–1 |
| Head Coach: | Larry Smith |
| Hc Year: | 3rd |
| Captain: | Dan Owens Leroy Holt Brad Leggett Tim Ryan |
| Champion: | Pac-10 champion Rose Bowl champion |
| Bowl: | Rose Bowl |
| Bowl Result: | W 17–10 vs. Michigan |
The 1989 USC Trojans football team represented the University of Southern California during the 1989 NCAA Division I-A football season. The season was intended to start historic fashion, with USC set to play Illinois in Moscow in what was dubbed the Glasnost Bowl. However, the plan to play the game at Dynamo Stadium fell through, and the game was rescheduled at Memorial Coliseum. The Trojans lost the game as the Illini scored two touchdowns in the fourth quarter.
USC won their third consecutive conference championship and gained their 600th program win in a victory against Oregon State. They played third-ranked Michigan in the Rose Bowl and won giving Larry Smith his only bowl victory as head coach.
See main article: 1989 NCAA Division I-A football rankings.
See also: 1989 Illinois Fighting Illini football team.
See also: Notre Dame–USC football rivalry.
See also: 1989 Stanford Cardinal football team and Stanford–USC football rivalry.
See also: 1989 UCLA Bruins football team and Victory Bell (UCLA–USC).
See main article: 1990 Rose Bowl.
See also: 1989 Michigan Wolverines football team.
The Trojans avenged last season's loss to Michigan in the Rose Bowl, beating the Wolverines in Bo Schembechler's last game as head coach.[2]
The following players were claimed in the 1990 NFL draft.
| Player | Position | Round | Pick | NFL club |
| Linebacker | 1 | 5 | San Diego Chargers | |
| Safety | 1 | 6 | Chicago Bears | |
| Dan Owens | Defensive end | 2 | 35 | Detroit Lions |
| Tim Ryan | Defensive end | 3 | 61 | Chicago Bears |
| William Schultz | Guard | 4 | 94 | Indianapolis Colts |
| Leroy Holt | Running back | 5 | 137 | Miami Dolphins |
| Scott Galbraith | Tight end | 7 | 178 | Cleveland Browns |
| Aaron Emanuel | Running back | 7 | 191 | New York Giants |
| Brad Leggett | Center | 8 | 219 | Denver Broncos |
| Ernest Spears | Defensive back | 10 | 216 | New Orleans Saints |