1998 NCAA Division I-A football rankings AP poll AP poll

| Preseason | Week_1_Sept_7 | Week_2_Sept_14 | Week_3_Sept_21 | Week_4_Sept_28 | Week_5_Oct_5 | Week_6_Oct_12 | Week_7_Oct_19 | Week_8_Oct_26 | Week_9_Nov_2 | Week_10_Nov_9 | Week_11_Nov_16 | Week_12_Nov_23 | Week_13_Nov_30 | Week_14_Dec_7 | Week_15_Final_Jan_5 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| West Virginia | Washington (1-0) | Florida State (1-1) | Virginia (3-0) | Syracuse (2-1) | LSU (3-1) | Oregon (5-0) | Georgia (5-1) | Georgia (6-1) | Arkansas (7-0) | Nebraska (8-2) | Michigan (8-2) | Tulane (10-0) | Arkansas (9-2) | Arkansas (9-2) | Texas A&M (11-3) |
| North Carolina | Virginia (1-0) | Georgia (2-0) | Syarcuse (2-1) | Georgia (3-0) | Wisconsin (5-0) | Penn State (4-1) | Oregon (5-1) | Oregon (6-1) | Virginia (7-1) | Notre Dame (7-1) | Tulane (9-0) | Georgia (8-2) | Georgia Tech (9-2) | Georgia Tech (9-2) | Michigan (10-3) |
| Penn State | Michigan (0-1) | Syarcuse (1-1) | Georgia (3-0) | Wisconsin (4-0) | Penn State (3-1) | Georgia (4-1) | West Virginia (4-1) | Arizona (7-1) | Notre Dame (6-1) | Missouri (7-2) | Wisconsin (9-1) | Arkansas (8-2) | Nebraska (9-3) | Virginia (9-2) | Air Force (12-1) |