| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | The Forbidden Kingdom | $776,004 | - | 131 | - | $5,923 | $776,004 | 1 | Mongkol Major | true | false |
| 2 | - | Superhero Movie | $223,365 | - | 54 | - | $4,136 | $223,365 | 1 | M Pictures | true | false |
| 3 | 1 | Orahun | $143,663 | -41.6% | 50 | -5 | $2,873 | $635,575 | 2 | N/A | false | false |
| 4 | 3 | Dream Team | $114,223 | -45.5% | 51 | -7 | $2,239 | $1,047,864 | 3 | RS Film & Distribution | false | false |
| 5 | 2 | Art of the Devil 3 | $96,368 | -60.2% | 54 | -7 | $1,784 | $1,445,882 | 3 | Five Star Entertainment | false | false |
| 6 | 5 | Vantage Point | $85,386 | -50.3% | 41 | - | $2,082 | $956,148 | 3 | Sony Pictures Releasing | false | false |
| 7 | - | Horton Hears a Who! | $84,125 | - | 65 | - | $1,294 | $131,948 | 1 | 20th Century Fox International | true | false |
| 8 | 6 | Sex Is Zero 2 | $68,995 | -35.8% | 29 | -2 | $2,379 | $255,891 | 2 | M Pictures | false | false |
| 9 | 4 | Street Kings | $65,575 | -66.8% | 50 | -17 | $1,311 | $527,501 | 2 | 20th Century Fox International | false | false |
| 10 | 7 | April Road Trip | $20,227 | -77.5% | 40 | -1 | $505 | $179,048 | 2 | Pranakorn Films | false | false |
| 11 | 9 | Hormones | $9,454 | -79.4% | 14 | -25 | $675 | $2,617,446 | 5 | N/A | false | false |
| 12 | 10 | ICU: Ghost College of Fine Arts | $4,933 | -85.2% | 27 | -18 | $182 | $65,874 | 2 | N/A | false | false |
| 13 | 12 | Love in the Time of Cholera | $3,502 | -52.2% | 4 | - | $875 | $16,478 | 2 | Mongkol Film Company | false | false |
| 14 | 8 | Nak | $2,981 | -93.9% | 17 | -35 | $175 | $270,308 | 3 | Mongkol Film Company | false | false |
| 15 | 15 | Always: Sunset on Third Street 2 | $2,205 | -16.2% | 1 | - | $2,205 | $24,136 | 4 | Mongkol Major | false | false |
| 16 | 17 | My Blueberry Nights | $1,751 | -21.6% | 1 | - | $1,751 | $46,544 | 5 | M Pictures | false | false |
| 17 | 13 | Fool's Gold | $866 | -86.6% | 1 | -10 | $866 | $282,593 | 4 | Warner Bros. | false | false |
| 18 | 21 | Once | $645 | -16.5% | 1 | - | $645 | $37,653 | 8 | Mongkol Major | false | false |
| 19 | 11 | The Water Horse | $626 | -94.4% | 1 | -16 | $626 | $480,169 | 4 | Sony Pictures Releasing | false | false |
| 20 | 19 | Step Up 2: The Streets | $482 | -73.1% | 1 | -1 | $482 | $867,689 | 6 | Mongkol Major | false | false |
| 21 | 24 | The Kite Runner | $429 | +9.7% | 1 | - | $429 | $14,280 | 7 | United International Pictures | false | false |
| 22 | 23 | Beowulf | $191 | -58.3% | 1 | -1 | $191 | $1,481,449 | 23 | Warner Bros. | false | false |
| 23 | 22 | An Empress and the Warriors | $183 | -70.9% | 1 | - | $183 | $37,269 | 4 | N/A | false | false |
| 24 | - | Across the Universe | $159 | - | 1 | - | $159 | $46,246 | 16 | N/A | false | false |
