2008 NCAA Division I FBS football rankings AP Poll AP Poll

| Week_2_Sept_7 | Week_3_Sept_14 | Week_4_Sept_21 | Week_5_Sept_28 | Week_6_Oct_5 | Week_7_Oct_12 | Week_10_Nov_2 | Week_12_Nov_16 | Week_14_Nov_30 | Week_15_Dec_7 | Week_16_Final_Jan_9 |
|---|---|---|---|---|---|---|---|---|---|---|
| Oregon (2-0) | Penn State (3-0) | Wake Forest (3-0) | Kansas (3-1) | Kansas (4-1) | Kansas (5-1) | Ball State (8-0) | BYU (10-1) | Oregon (9-3) | Georgia (9-3) | Oklahoma State (9-4) |
| Penn State (2-0) | Oregon (3-0) | Utah (4-0) | Boise State (3-0) | Oklahoma State (5-0) | Virginia Tech (5-1) | BYU (8-1) | Michigan State (9-2) | Georgia (9-3) | BYU (10-2) | Cincinnati (11-3) |
| BYU (2-0) | Wake Forest (2-0) | Kansas (3-1) | Wisconsin (3-1) | Virginia Tech (5-1) | North Carolina (5-1) | Michigan State (8-2) | LSU (7-3) | Boston College (9-3) | Pittsburgh (9-3) | Oregon State (9-4) |
| South Florida (2-0) | Kansas (2-1) | Boise State (3-0) | Vanderbilt (4-0) | South Florida (5-1) | South Florida (5-1) | North Carolina (6-2) | Cincinnati (8-2) | Missouri (9-3) | Michigan State (9-3) | Missouri (10-4) |