| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | District 9 | $273,332 | -30.1% | 50 | - | $5,466 | $836,417 | 2 | Sony Pictures Releasing | false | false |
| 2 | - | Inglourious Basterds | $236,421 | - | 41 | - | $5,766 | $236,421 | 1 | United International Pictures | true | false |
| 3 | 2 | G.I. Joe: The Rise of Cobra | $128,795 | -49.2% | 56 | +1 | $2,299 | $998,297 | 3 | Paramount Pictures International | false | false |
| 4 | 3 | Harry Potter and the Half-Blood Prince | $70,506 | -41% | 73 | -6 | $965 | $3,895,669 | 6 | Warner Bros. | false | false |
| 5 | 5 | Sunshine Cleaning | $64,257 | -22.3% | 31 | -1 | $2,072 | $184,953 | 2 | Madman Entertainment | false | false |
| 6 | 6 | Separation City | $43,650 | -46.3% | 49 | +1 | $890 | $287,913 | 3 | Hoyts Distribution | false | false |
| 7 | 8 | Coco Before Chanel | $43,414 | -24.6% | 7 | +1 | $6,202 | $269,118 | 3 | Warner Bros. | false | false |
| 8 | 7 | Coraline | $41,627 | -42.7% | 54 | +1 | $770 | $229,382 | 3 | United International Pictures | false | false |
| 9 | 4 | Public Enemies | $35,484 | -61.6% | 48 | -2 | $739 | $711,138 | 4 | United International Pictures | false | false |
| 10 | 9 | Ice Age: Dawn of the Dinosaurs | $22,695 | -48.9% | 62 | -6 | $366 | $3,687,641 | 8 | 20th Century Fox International | false | false |
| 11 | 10 | The Hangover | $21,185 | -27.9% | 37 | +1 | $572 | $2,101,503 | 11 | Warner Bros. | false | false |
| 12 | 11 | Transformers: Revenge of the Fallen | $14,628 | -50.2% | 33 | -11 | $443 | $5,402,154 | 9 | Paramount Pictures International | false | false |
| 13 | 12 | Case 39 | $12,754 | -46.3% | 20 | +1 | $637 | $45,732 | 2 | Paramount Pictures International | false | false |
| 14 | - | Departures | $11,956 | - | 7 | - | $1,708 | $32,573 | 1 | Madman Entertainment | true | false |
| 15 | 14 | The Proposal | $11,355 | -29.2% | 26 | -7 | $436 | $1,618,652 | 10 | Walt Disney Pictures | false | false |
| 16 | 13 | Brüno | $8,460 | -54.4% | 27 | -5 | $313 | $1,581,221 | 7 | United International Pictures | false | false |
| 17 | 16 | My Life in Ruins | $7,223 | -39.7% | 22 | -2 | $328 | $249,686 | 6 | 20th Century Fox International | false | false |
| 18 | - | The Wizard of Oz 2009 NCM Fathom Event | $6,978 | - | 1 | - | $6,978 | $6,978 | 1 | - | true | false |
| 19 | - | Overheard | $6,530 | - | 2 | - | $3,265 | $6,530 | 1 | N/A | true | false |
| 20 | 18 | Hannah Montana: The Movie | $5,533 | -33.5% | 28 | -13 | $197 | $1,306,617 | 9 | Walt Disney Pictures | false | false |
