| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Meat Grinder | $188,655 | - | 75 | - | $2,515 | $188,655 | 1 | Pranakorn Films | true | false |
| 2 | 2 | Best of Times | $155,419 | -42% | 63 | -8 | $2,466 | $1,214,644 | 3 | GMM Tai Hub (GTH) | false | false |
| 3 | 1 | Dragonball Evolution | $128,642 | -60.4% | 85 | -32 | $1,513 | $763,606 | 2 | 20th Century Fox International | false | false |
| 4 | 3 | Anueng Kidthung Penyangying | $78,011 | -51.8% | 55 | -18 | $1,418 | $320,016 | 2 | Five Star Entertainment | false | false |
| 5 | 4 | Watchmen | $62,604 | -46.1% | 70 | -17 | $894 | $690,718 | 3 | United International Pictures | false | false |
| 6 | - | Make It Happen | $42,693 | - | 17 | - | $2,511 | $42,693 | 1 | M Pictures | true | false |
| 7 | - | Seven Pounds | $32,049 | - | 13 | - | $2,465 | $32,049 | 1 | Sony Pictures Releasing | true | false |
| 8 | - | New in Town | $31,577 | - | 15 | - | $2,105 | $31,577 | 1 | N/A | true | false |
| 9 | 5 | Bolt | $30,104 | -48.4% | 37 | - | $813 | $336,190 | 3 | Walt Disney Pictures | false | false |
| 10 | 6 | Slumdog Millionaire | $9,402 | -33.8% | 1 | - | $9,402 | $62,278 | 3 | N/A | false | false |
| 11 | 10 | The Pink Panther 2 | $5,332 | -20.4% | 1 | - | $5,332 | $29,673 | 4 | Sony Pictures Releasing | false | false |
| 12 | 9 | The Curious Case of Benjamin Button | $4,909 | -31.4% | 13 | +1 | $377 | $531,768 | 6 | Warner Bros. | false | false |
| 13 | 8 | Street Fighter: The Legend of Chun-Li | $4,555 | -55.3% | 24 | -8 | $189 | $327,799 | 4 | M Pictures | false | false |
| 14 | 11 | Confessions of a Shopaholic | $4,382 | -29.7% | 7 | -1 | $626 | $405,708 | 6 | Walt Disney Pictures | false | false |
| 15 | 13 | Outlander | $4,095 | -24.7% | 15 | -11 | $273 | $286,675 | 4 | Mongkol Major | false | false |
| 16 | 12 | The Reader | $2,901 | -47.2% | 4 | - | $725 | $78,686 | 6 | M Pictures | false | false |
| 17 | 7 | Power Kids | $2,433 | -81.5% | 25 | -25 | $97 | $96,411 | 3 | Mongkol Film Company | false | false |
| 18 | 14 | Milk | $2,213 | -45.4% | 4 | - | $553 | $43,773 | 4 | M Pictures | false | false |
| 19 | 15 | Sathu | $1,868 | -52.7% | 10 | -6 | $186 | $543,779 | 5 | Mongkol Film Company | false | false |
| 20 | 17 | Doubt | $810 | -12.9% | 1 | - | $810 | $12,026 | 5 | Walt Disney Pictures | false | false |
| 21 | 16 | Valkyrie | $740 | -71.8% | 3 | -2 | $246 | $483,039 | 5 | 20th Century Fox International | false | false |
| 22 | 18 | The Wrestler | $508 | +29.9% | 1 | - | $508 | $20,305 | 5 | M Pictures | false | false |
| 23 | - | Revolutionary Road | $278 | - | 1 | - | $278 | $72,602 | 7 | United International Pictures | false | false |
| 24 | 20 | Push | $8 | -86.2% | 1 | - | $8 | $538,377 | 6 | United International Pictures | false | false |
