| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Avatar | $1,588,449 | - | 205 | - | $7,748 | $1,588,449 | 1 | 20th Century Fox International | true | false |
| 2 | 1 | Hello Yasothorn 2 | $76,258 | -83.1% | 65 | -58 | $1,173 | $2,318,502 | 3 | Mongkol Film Company | false | false |
| 3 | 2 | Pai in Love | $51,489 | -78.4% | 60 | -13 | $858 | $363,534 | 2 | N/A | false | false |
| 4 | 6 | The Fourth Kind | $15,168 | -77.3% | 35 | -2 | $433 | $105,889 | 2 | Mongkol Major | false | false |
| 5 | 7 | The Founding of a Republic | $13,608 | -73% | 26 | +2 | $523 | $81,852 | 2 | N/A | false | false |
| 6 | 9 | Couples Retreat | $10,167 | -76.6% | 16 | -9 | $635 | $172,882 | 3 | United International Pictures | false | false |
| 7 | 5 | The Twilight Saga: New Moon | $7,610 | -88.8% | 17 | -57 | $447 | $2,734,112 | 5 | Mongkol Major | false | false |
| 8 | 4 | 2012 | $7,484 | -91.6% | 30 | -38 | $249 | $6,428,051 | 6 | Sony Pictures Releasing | false | false |
| 9 | 10 | The Road | $6,310 | -62.1% | 11 | -3 | $573 | $28,886 | 2 | N/A | false | false |
| 10 | 11 | Paranormal Activity | $1,623 | -89.5% | 6 | -5 | $270 | $140,987 | 4 | M Pictures | false | false |
| 11 | 12 | Whip It | $1,232 | -67.8% | 5 | +3 | $246 | $6,830 | 2 | Mongkol Major | false | false |
| 12 | 8 | Ninja Assassin | $1,212 | -97.3% | 7 | -59 | $173 | $798,674 | 4 | Warner Bros. | false | false |
| 13 | 13 | Julie & Julia | $795 | -78.5% | 1 | - | $795 | $27,176 | 4 | Sony Pictures Releasing | false | false |
| 14 | 15 | The September Issue | $744 | -47.9% | 2 | - | $372 | $66,447 | 6 | Mongkol Major | false | false |
| 15 | 16 | The Warrior and the Wolf | $411 | -68.7% | 1 | - | $411 | $2,204 | 2 | N/A | false | false |
| 16 | - | Bad Lieutenant: Port of Call New Orleans | $279 | - | 1 | - | $279 | $34,887 | 11 | N/A | false | false |
| 17 | 17 | New York, I Love You | $252 | -72.3% | 2 | -1 | $126 | $70,518 | 10 | N/A | false | false |
| 18 | 20 | Turning Point | $21 | -92.5% | 1 | - | $21 | $1,520 | 3 | N/A | false | false |
