| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Iron Man 2 | $713,817 | -66.9% | 194 | -59 | $3,679 | $3,913,293 | 2 | United International Pictures | false | false |
| 2 | - | Ong Bak 3 | $555,823 | - | 135 | - | $4,117 | $879,436 | 1 | Mongkol Film Company | true | false |
| 3 | - | The Hole | $60,340 | - | 19 | - | $3,175 | $79,631 | 1 | Mongkol Major | true | false |
| 4 | 2 | The Intruder | $17,685 | -69.8% | 44 | -2 | $401 | $107,489 | 2 | Pranakorn Films | false | false |
| 5 | 3 | Edge of the Empire | $7,846 | -82.2% | 36 | -9 | $217 | $83,781 | 2 | N/A | false | false |
| 6 | 10 | Brooklyn's Finest | $3,258 | -39.3% | 4 | -6 | $814 | $41,094 | 3 | N/A | false | false |
| 7 | 5 | Secret Sunday | $1,743 | -90% | 3 | -37 | $581 | $834,979 | 4 | N/A | false | false |
| 8 | 15 | Tenderness | $1,266 | +287.2% | 1 | - | $1,266 | $4,230 | 3 | N/A | false | false |
| 9 | 7 | Kick-Ass | $1,130 | -87.3% | 4 | -26 | $282 | $286,942 | 4 | N/A | false | false |
| 10 | 11 | The Crazies | $1,025 | -78.3% | 3 | -9 | $341 | $59,246 | 3 | M Pictures | false | false |
| 11 | 14 | The Princess and the Frog | $1,009 | -19% | 2 | -1 | $504 | $331,408 | 5 | Walt Disney Pictures | false | false |
| 12 | 12 | Shutter Island | $766 | -55.4% | 1 | -3 | $766 | $189,047 | 5 | United International Pictures | false | false |
| 13 | 6 | Saranae Siblor | $410 | -96.5% | 1 | -24 | $410 | $2,083,533 | 6 | Mongkol Film Company | false | false |
| 14 | 9 | Legion | $256 | -96% | 2 | -32 | $128 | $588,669 | 4 | Sony Pictures Releasing | false | false |
| 15 | 13 | Chloe | $154 | -90.1% | 1 | -3 | $154 | $56,865 | 4 | Mongkol Major | false | false |
