2008 NCAA Division I FBS football rankings Harris Interactive Poll Harris Interactive Poll

| Week_6_Oct_5 | Week_7_Oct_12 | Week_9_Oct_26 | Week_10_Nov_2 | Week_11_Nov_9 | Week_13_Nov_23 | Week_14_Nov_30 | Week_15_Final_Dec_7 |
|---|---|---|---|---|---|---|---|
| Georgia (4-1) | Oklahoma State (6-0) | Utah (8-0) | Boise State (8-0) | Ohio State (8-2) | Ohio State (10-2) | Ohio State (10-2) | Ohio State (10-2) |
| Florida (4-1) | Missouri (5-1) | Boise State (7-0) | Ohio State (7-2) | Missouri (8-2) | Missouri (9-2) | Ball State (12-0) | TCU (10-2) |
| Ohio State (5-1) | LSU (4-1) | Ohio State (7-2) | TCU (9-1) | Georgia (8-2) | Oklahoma State (9-2) | TCU (10-2) | Cincinnati (11-2) |
| Utah (6-0) | Ohio State (6-1) | TCU (8-1) | Missouri (7-2) | Oklahoma State (8-2) | Georgia (9-2) | Cincinnati (10-2) | Oklahoma State (9-3) |
| Vanderbilt (5-0) | Utah (7-0) (1) | Missouri (6-2) | Georgia (7-2) | BYU (9-1) | Ball State (11-0) | Oklahoma State (9-3) | Georgia Tech (9-3) |
| Boise State (4-0) | Boise State (5-0) | BYU (7-1) | LSU (6-2) | Ball State (9-0) | TCU (10-2) | Oregon (9-3) | Oregon (9-3) |