1991: Week 14
12 games. Two ranked teams lost. Two games matched two ranked teams. Winners are listed first; numbers before names are AP ranks going in.
The week in review
Upsets
A ranked team beaten as the betting favorite, or, where no line is on file, by an unranked or lower-ranked team.
FBS vs. FBS
| Nov 28, 1991 | 6Penn State 32, Pittsburgh 20 | Box score |
| Nov 28, 1991 | 10Texas A&M 31, Texas 14 | Box score |
| Nov 29, 1991 | 11Nebraska 19, 19Oklahoma 14 | Box score |
| Nov 30, 1991 | 8Alabama 13, Auburn 6 | Box score |
| Nov 30, 1991 | 13Clemson 33, Duke 21 | Box score |
| Nov 30, 1991 | 5Florida 14, 3Florida State 9upset | Box score |
| Nov 30, 1991 | 25Georgia 18, Georgia Tech 15 | Box score |
| Nov 30, 1991 | 1Miami 39, San Diego State 12 | Box score |
| Nov 30, 1991 | 18Notre Dame 48, Hawai’i 42 | Box score |
| Nov 30, 1991 | 9Tennessee 45, Vanderbilt 0 | Box score |
| Nov 30, 1991 | Texas Tech 52, Houston 46 | Box score |
| Nov 30, 1991 | 22Tulsa 31, SMU 26 | Box score |