| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Avatar | $1,117,096 | -29.7% | 205 | - | $5,449 | $3,365,997 | 2 | 20th Century Fox International | false | false |
| 2 | - | Sherlock Holmes | $408,989 | - | 98 | - | $4,173 | $408,989 | 1 | Warner Bros. | true | false |
| 3 | - | The Storm Warriors | $235,724 | - | 56 | - | $4,209 | $235,724 | 1 | Pranakorn Films | true | false |
| 4 | - | October Sonata | $103,931 | - | 57 | - | $1,823 | $128,170 | 1 | M Pictures | true | false |
| 5 | 2 | Hello Yasothorn 2 | $11,302 | -85.2% | 28 | -37 | $403 | $2,353,624 | 4 | Mongkol Film Company | false | false |
| 6 | - | I Give My First Love to You | $5,032 | - | 1 | - | $5,032 | $5,032 | 1 | Mongkol Film Company | true | false |
| 7 | 3 | Pai in Love | $4,147 | -91.9% | 12 | -48 | $345 | $387,408 | 3 | N/A | false | false |
| 8 | 9 | The Road | $2,319 | -63.2% | 2 | -9 | $1,159 | $33,894 | 3 | N/A | false | false |
| 9 | 6 | Couples Retreat | $2,276 | -77.6% | 2 | -14 | $1,138 | $180,615 | 4 | United International Pictures | false | false |
| 10 | 7 | The Twilight Saga: New Moon | $1,323 | -82.6% | 3 | -14 | $441 | $2,738,805 | 6 | Mongkol Major | false | false |
| 11 | 4 | The Fourth Kind | $1,050 | -93.1% | 5 | -30 | $210 | $113,794 | 3 | Mongkol Major | false | false |
| 12 | 8 | 2012 | $904 | -87.9% | 1 | -29 | $904 | $6,432,420 | 7 | Sony Pictures Releasing | false | false |
| 13 | 13 | Julie & Julia | $725 | -8.8% | 1 | - | $725 | $28,913 | 5 | Sony Pictures Releasing | false | false |
| 14 | 5 | The Founding of a Republic | $548 | -96% | 2 | -24 | $274 | $87,435 | 3 | N/A | false | false |
| 15 | 11 | Whip It | $467 | -62.1% | 2 | -3 | $233 | $8,045 | 3 | Mongkol Major | false | false |
