| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | G-Force | $306,799 | -35.5% | 42 | - | $7,304 | $1,374,862 | 2 | Walt Disney Pictures | false | false |
| 2 | - | G.I. Joe: The Rise of Cobra | $304,030 | - | 50 | - | $6,080 | $304,030 | 1 | Paramount Pictures International | true | false |
| 3 | - | Orphan | $122,391 | - | 21 | - | $5,828 | $122,391 | 1 | Warner Bros. | true | false |
| 4 | 3 | Ice Age: Dawn of the Dinosaurs | $56,847 | -55.1% | 75 | - | $757 | $4,731,078 | 6 | 20th Century Fox International | false | false |
| 5 | 2 | The Haunting in Connecticut | $56,283 | -57.8% | 25 | - | $2,251 | $353,800 | 2 | N/A | false | false |
| 6 | - | Last Chance Harvey | $49,967 | - | 12 | - | $4,163 | $49,967 | 1 | N/A | true | false |
| 7 | 4 | The Proposal | $49,398 | -55.8% | 30 | - | $1,646 | $477,496 | 3 | Walt Disney Pictures | false | false |
| 8 | 5 | Harry Potter and the Half-Blood Prince | $32,647 | -70.5% | 70 | - | $466 | $1,972,187 | 4 | Warner Bros. | false | false |
| 9 | 6 | Imagine That | $27,371 | -68.1% | 30 | - | $912 | $447,742 | 3 | Paramount Pictures International | false | false |
| 10 | 9 | The Accidental Husband | $9,188 | +42.4% | 24 | - | $382 | $216,372 | 11 | Walt Disney Pictures | false | false |
| 11 | 7 | Happy-Go-Lucky | $3,140 | -83.3% | 5 | - | $628 | $47,330 | 3 | N/A | false | false |
| 12 | 10 | Knowing | $2,422 | -52.5% | 35 | - | $69 | $822,742 | 8 | N/A | false | false |
| 13 | - | Traitor | $882 | - | 19 | - | $46 | $71,065 | 5 | N/A | false | false |
| 14 | - | Duplicity | $749 | - | 23 | - | $32 | $124,378 | 8 | Universal Pictures International (UPI) | false | false |
| 15 | - | Unrest 2009 Re-release | $402 | - | 20 | - | $20 | $324,415 | 17 | N/A | false | false |
| 16 | 12 | The Unborn | $95 | -95.4% | 32 | - | $2 | $503,275 | 11 | Universal Pictures International (UPI) | false | false |
