| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Dragonball Evolution | $324,542 | - | 117 | - | $2,773 | $507,727 | 1 | 20th Century Fox International | true | false |
| 2 | 1 | Best of Times | $268,185 | -40.8% | 71 | -27 | $3,777 | $943,102 | 2 | GMM Tai Hub (GTH) | false | false |
| 3 | - | Anueng Kidthung Penyangying | $161,866 | - | 73 | - | $2,217 | $161,866 | 1 | Five Star Entertainment | true | false |
| 4 | 2 | Watchmen | $116,217 | -67.1% | 87 | -18 | $1,335 | $582,510 | 2 | United International Pictures | false | false |
| 5 | 3 | Bolt | $58,315 | -41.3% | 37 | -1 | $1,576 | $283,740 | 2 | Walt Disney Pictures | false | false |
| 6 | 8 | Slumdog Millionaire | $14,212 | -32.2% | 1 | - | $14,212 | $47,765 | 2 | N/A | false | false |
| 7 | 4 | Power Kids | $13,172 | -75.9% | 50 | +2 | $263 | $88,229 | 2 | Mongkol Film Company | false | false |
| 8 | 5 | Street Fighter: The Legend of Chun-Li | $10,197 | -80.5% | 32 | -26 | $318 | $318,734 | 3 | M Pictures | false | false |
| 9 | 9 | The Curious Case of Benjamin Button | $7,159 | -58.5% | 12 | -8 | $596 | $524,903 | 5 | Warner Bros. | false | false |
| 10 | 14 | The Pink Panther 2 | $6,695 | +28.3% | 1 | - | $6,695 | $22,127 | 3 | Sony Pictures Releasing | false | false |
| 11 | 10 | Confessions of a Shopaholic | $6,237 | -56.4% | 8 | -18 | $779 | $398,377 | 5 | Walt Disney Pictures | false | false |
| 12 | 12 | The Reader | $5,498 | -37.3% | 4 | - | $1,374 | $73,396 | 5 | M Pictures | false | false |
| 13 | 6 | Outlander | $5,438 | -88.6% | 26 | -23 | $209 | $279,957 | 3 | Mongkol Major | false | false |
| 14 | 13 | Milk | $4,054 | -50.6% | 4 | - | $1,013 | $40,221 | 3 | M Pictures | false | false |
| 15 | 7 | Sathu | $3,953 | -87.5% | 16 | -32 | $247 | $540,111 | 4 | Mongkol Film Company | false | false |
| 16 | 11 | Valkyrie | $2,623 | -80.8% | 5 | -27 | $524 | $458,517 | 4 | 20th Century Fox International | false | false |
| 17 | 17 | Doubt | $930 | -30% | 1 | - | $930 | $10,795 | 4 | Walt Disney Pictures | false | false |
| 18 | 19 | The Wrestler | $391 | -39.2% | 1 | -2 | $391 | $19,631 | 4 | M Pictures | false | false |
| 19 | 16 | My Bloody Valentine | $66 | -96.6% | 2 | -9 | $33 | $465,833 | 5 | Mongkol Major | false | false |
| 20 | 15 | Push | $58 | -97.7% | 1 | -12 | $58 | $538,352 | 5 | United International Pictures | false | false |
