| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Resident Evil: Afterlife | $511,164 | -68.9% | 200 | -74 | $2,555 | $2,653,178 | 2 | Mongkol Major | false | false |
| 2 | 2 | Kuan Mun Ho | $109,780 | -41.2% | 50 | -9 | $2,195 | $4,084,817 | 5 | GMM Tai Hub (GTH) | false | false |
| 3 | 3 | A Little Thing Called Love | $61,472 | -37.6% | 48 | -3 | $1,280 | $2,497,690 | 6 | Mongkol Film Company | false | false |
| 4 | 7 | Piranha 3D | $12,929 | -27.5% | 16 | -8 | $808 | $682,765 | 4 | M Pictures | false | false |
| 5 | 8 | Toy Story 3 | $9,174 | -29.2% | 8 | +5 | $1,146 | $1,456,304 | 6 | Walt Disney Pictures | false | false |
| 6 | 4 | The Expendables | $8,770 | -73.2% | 21 | -35 | $417 | $1,062,389 | 4 | N/A | false | false |
| 7 | 6 | Going the Distance | $6,416 | -64.9% | 3 | -8 | $2,138 | $85,338 | 3 | Warner Bros. | false | false |
| 8 | 5 | Sabaidee 2 | $5,831 | -78.4% | 17 | -24 | $343 | $204,556 | 3 | N/A | false | false |
| 9 | 9 | Machete | $5,193 | -45.2% | 10 | -16 | $519 | $103,878 | 3 | Mongkol Major | false | false |
| 10 | 16 | The Back-up Plan | $4,975 | +705% | 4 | +1 | $1,243 | $56,286 | 5 | Sony Pictures Releasing | false | false |
| 11 | - | Oceans | $3,578 | - | 1 | - | $3,578 | $3,578 | 1 | N/A | true | false |
| 12 | 13 | Aftershock | $2,951 | +53.4% | 1 | - | $2,951 | $6,281 | 2 | Mongkol Major | false | false |
| 13 | 11 | Inception | $2,357 | -28.2% | 2 | -1 | $1,178 | $2,013,769 | 10 | Warner Bros. | false | false |
| 14 | - | Step Up 3D | $2,104 | - | 4 | - | $526 | $1,842,292 | 7 | Mongkol Major | false | false |
| 15 | 12 | The American | $1,789 | -26.1% | 1 | - | $1,789 | $10,890 | 3 | N/A | false | false |
| 16 | - | MacGruber | $1,783 | - | 1 | - | $1,783 | $8,947 | 5 | Mongkol Major | false | false |
| 17 | - | Future X-Cops | $1,548 | - | 4 | - | $387 | $1,548 | 1 | N/A | true | false |
| 18 | 10 | Brown Sugar | $763 | -84.7% | 3 | -10 | $254 | $321,837 | 4 | Mongkol Film Company | false | false |
| 19 | 15 | Salt | $401 | -40.5% | 1 | - | $401 | $1,515,513 | 7 | Sony Pictures Releasing | false | false |
