| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Oh My Ghosts! | $316,316 | -63.4% | 108 | -23 | $2,928 | $1,472,732 | 2 | Pranakorn Films | false | false |
| 2 | 2 | G-Force | $270,710 | -44% | 69 | -9 | $3,923 | $1,131,678 | 2 | Walt Disney Pictures | false | false |
| 3 | - | The Ugly Truth | $179,616 | - | 19 | - | $9,453 | $179,616 | 1 | Sony Pictures Releasing | true | false |
| 4 | 3 | Sorority Row | $52,721 | -42.5% | 50 | -8 | $1,054 | $183,890 | 2 | Mongkol Major | false | false |
| 5 | 4 | The Proposal | $29,775 | -57.5% | 34 | -3 | $875 | $754,720 | 4 | Walt Disney Pictures | false | false |
| 6 | 5 | The Time Traveler's Wife | $24,698 | -53.8% | 22 | -2 | $1,122 | $97,803 | 2 | Warner Bros. | false | false |
| 7 | - | Fame | $23,336 | - | 24 | - | $972 | $23,336 | 1 | M Pictures | true | false |
| 8 | - | The Sanctuary | $21,576 | - | 43 | - | $501 | $21,576 | 1 | N/A | true | false |
| 9 | 6 | Phobia 2 | $17,836 | -64.1% | 40 | -14 | $445 | $3,322,133 | 5 | GMM Tai Hub (GTH) | false | false |
| 10 | 7 | District 9 | $17,031 | -50.6% | 32 | -12 | $532 | $549,495 | 4 | M Pictures | false | false |
| 11 | - | Bad Lieutenant: Port of Call New Orleans | $14,995 | - | 5 | - | $2,999 | $14,995 | 1 | N/A | true | false |
| 12 | 8 | Pandorum | $6,754 | -79.2% | 30 | -26 | $225 | $203,000 | 3 | Mongkol Major | false | false |
| 13 | 9 | Dreamaholic | $1,482 | -85.6% | 13 | -30 | $114 | $413,337 | 4 | Mongkol Film Company | false | false |
| 14 | 10 | Broken Embraces | $1,304 | -54.3% | 1 | -1 | $1,304 | $5,193 | 2 | M Pictures | false | false |
| 15 | 19 | 9 | $1,009 | +148.5% | 1 | - | $1,009 | $19,611 | 5 | M Pictures | false | false |
| 16 | 14 | Harry Potter and the Half-Blood Prince | $942 | -26.2% | 1 | - | $942 | $4,142,939 | 13 | Warner Bros. | false | false |
| 17 | 20 | Land of the Lost | $863 | +145.9% | 6 | +2 | $143 | $38,142 | 6 | United International Pictures | false | false |
| 18 | 12 | The Final Destination | $692 | -69.4% | 1 | -3 | $692 | $1,367,211 | 6 | Warner Bros. | false | false |
| 19 | 13 | Rookies the Movie: Graduation | $681 | -47.1% | 1 | -1 | $681 | $4,922 | 3 | N/A | false | false |
| 20 | 11 | Whiteout | $657 | -74.2% | 3 | -8 | $219 | $135,682 | 4 | Warner Bros. | false | false |
| 21 | 22 | Coco Before Chanel | $602 | +359.5% | 3 | +2 | $200 | $66,159 | 8 | N/A | false | false |
| 22 | 18 | Transformers: Revenge of the Fallen | $463 | -20% | 1 | - | $463 | $6,023,187 | 16 | United International Pictures | false | false |
| 23 | 21 | Inglourious Basterds | $411 | +67.8% | 2 | +1 | $205 | $309,947 | 8 | United International Pictures | false | false |
| 24 | 17 | Crows Zero II | $269 | -56.5% | 1 | - | $269 | $8,966 | 5 | N/A | false | false |
| 25 | 15 | Ponyo | $261 | -66.1% | 2 | - | $130 | $27,535 | 7 | M Pictures | false | false |
