2009 Atlantic Coast Conference Leaders Passing Defense - Games in August/September Only through 01/07/2010
| Name | G | Att | Comp | Pct. | Yards | Yards/Att | Int | TD | Rating | Att/G | Yards/G | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Virginia Tech | 4 | 118 | 51 | 43.2 | 642 | 5.4 | 4 | 1 | 84.94 | 29.5 | 160.5 |
| 2 | Clemson | 4 | 106 | 47 | 44.3 | 575 | 5.4 | 8 | 5 | 90.39 | 26.5 | 143.8 |
| 3 | North Carolina | 4 | 107 | 63 | 58.9 | 528 | 4.9 | 4 | 1 | 95.94 | 26.8 | 132.0 |
| 4 | Boston College | 4 | 114 | 68 | 59.6 | 624 | 5.5 | 5 | 3 | 105.55 | 28.5 | 156.0 |
| 5 | Virginia | 3 | 92 | 52 | 56.5 | 491 | 5.3 | 2 | 3 | 107.76 | 30.7 | 163.7 |
| 6 | North Carolina State | 4 | 87 | 48 | 55.2 | 501 | 5.8 | 2 | 3 | 110.33 | 21.8 | 125.3 |
| 7 | Duke | 4 | 108 | 59 | 54.6 | 725 | 6.7 | 2 | 4 | 119.54 | 27.0 | 181.3 |
| 8 | Georgia Tech | 4 | 121 | 69 | 57.0 | 861 | 7.1 | 5 | 9 | 133.09 | 30.3 | 215.3 |
| 9 | Wake Forest | 4 | 131 | 81 | 61.8 | 868 | 6.6 | 2 | 8 | 134.59 | 32.8 | 217.0 |
| 10 | Miami (Florida) | 3 | 65 | 34 | 52.3 | 525 | 8.1 | 1 | 4 | 137.39 | 21.7 | 175.0 |
| 11 | Maryland | 4 | 105 | 59 | 56.2 | 840 | 8.0 | 2 | 8 | 144.72 | 26.3 | 210.0 |
| 12 | Florida State | 4 | 116 | 64 | 55.2 | 1179 | 10.2 | 7 | 8 | 151.24 | 29.0 | 294.8 |