| # | Title | Jul 31 - Aug 2 | % Chg. | Theaters | Weeks | AVG | Cumulative | ||
| 1 | Funny People | $ 22,657,780 | 3,007 | 1 | $ 7,535 | $ 22,657,780 | |||
| 2 | Harry Potter and the Half-Blood Prince | 17,909,385 | -39.2 | 4,393 | 3 | 4,077 | 255,672,245 | ||
| 3 | G-Force | 17,515,489 | -44.8 | 3,697 | 2 | 4,738 | 66,918,912 | ||
| 4 | The Ugly Truth | 13,187,433 | -52.2 | 2,882 | 2 | 4,576 | 54,668,841 | ||
| 5 | Aliens in the Attic | 8,008,423 | 3,106 | 1 | 2,578 | 8,008,423 | |||
| 6 | Orphan | 7,525,419 | -41.5 | 2,750 | 2 | 2,737 | 27,066,812 | ||
| 7 | Ice Age: Dawn of the Dinosaurs | 5,526,015 | -34.3 | 2,757 | 5 | 2,004 | 182,068,804 | ||
| 8 | The Hangover | 5,194,475 | -19.6 | 2,071 | 9 | 2,508 | 255,890,892 | ||
| 9 | The Proposal | 4,931,064 | -22.7 | 2,435 | 7 | 2,025 | 148,964,741 | ||
| 10 | Transformers: ROTF | 4,688,329 | -42.3 | 2,626 | 6 | 1,785 | 388,189,320 |
Source: Box Office Guru
