| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 2 | Up | $388,747 | +63.5% | 87 | -1 | $4,468 | $2,049,479 | 4 | Walt Disney Pictures | false | false |
| 2 | 4 | G-Force | $259,640 | +90.8% | 74 | - | $3,508 | $630,746 | 2 | Walt Disney Pictures | false | false |
| 3 | 1 | Year One | $219,708 | -13.2% | 51 | - | $4,308 | $643,720 | 2 | Sony Pictures Releasing | false | false |
| 4 | - | 500 Days of Summer | $166,314 | - | 51 | - | $3,261 | $166,314 | 1 | 20th Century Fox International | true | false |
| 5 | 3 | Fame | $143,456 | -22.4% | 56 | -1 | $2,561 | $470,177 | 2 | Hoyts Distribution | false | false |
| 6 | 10 | Aliens in the Attic | $89,036 | +131.9% | 50 | - | $1,780 | $309,989 | 3 | 20th Century Fox International | false | false |
| 7 | - | In the Loop | $52,017 | - | 14 | - | $3,715 | $94,395 | 1 | Madman Entertainment | true | false |
| 8 | - | The Founding of a Republic | $45,873 | - | 3 | - | $15,291 | $45,873 | 1 | Vendetta Films | true | false |
| 9 | 5 | Funny People | $44,504 | -38.1% | 39 | - | $1,141 | $349,210 | 3 | United International Pictures | false | false |
| 10 | 6 | The Young Victoria | $42,610 | -32.8% | 39 | -3 | $1,092 | $589,574 | 5 | Roadshow Films | false | false |
| 11 | 16 | Shorts | $39,900 | +177.2% | 34 | - | $1,173 | $96,463 | 2 | Warner Bros. | false | false |
| 12 | 7 | The Taking of Pelham 123 | $27,484 | -39.7% | 36 | -14 | $763 | $401,781 | 4 | Sony Pictures Releasing | false | false |
| 13 | 9 | The September Issue | $26,614 | -33.1% | 15 | - | $1,774 | $233,487 | 4 | Madman Entertainment | false | false |
| 14 | 8 | Inglourious Basterds | $25,766 | -36% | 25 | -6 | $1,030 | $1,101,790 | 7 | United International Pictures | false | false |
| 15 | 11 | District 9 | $25,108 | -30.2% | 30 | +1 | $836 | $1,722,126 | 8 | Sony Pictures Releasing | false | false |
| 16 | 14 | Disgrace | $12,258 | -27.5% | 19 | +3 | $645 | $63,650 | 2 | Hoyts Distribution | false | false |
| 17 | - | Samson & Delilah | $11,621 | - | 5 | - | $2,324 | $65,769 | 1 | Paramount Pictures International | true | false |
| 18 | 13 | Chéri | $10,892 | -49.3% | 26 | -5 | $418 | $101,548 | 3 | Hoyts Distribution | false | false |
| 19 | - | Do Knot Disturb | $9,881 | - | 3 | - | $3,293 | $9,881 | 1 | - | true | false |
| 20 | 25 | The Secret of Moonacre | $9,373 | +84.6% | 26 | +2 | $360 | $25,091 | 2 | Rialto Distribution | false | false |
