| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Night at the Museum: Battle of the Smithsonian | $655,956 | - | 160 | - | $4,099 | $926,462 | 1 | 20th Century Fox International | true | false |
| 2 | 1 | Angels & Demons | $280,151 | -59.7% | 70 | - | $4,002 | $1,164,041 | 2 | Sony Pictures Releasing | false | false |
| 3 | 2 | Saranae Hao Peng | $68,315 | -67% | 60 | -15 | $1,138 | $2,582,388 | 4 | Mongkol Film Company | false | false |
| 4 | 3 | Star Trek | $57,731 | -59.7% | 64 | -21 | $902 | $779,877 | 3 | United International Pictures | false | false |
| 5 | - | Krasue fad pob | $28,336 | - | 50 | - | $566 | $28,336 | 1 | N/A | true | false |
| 6 | 4 | X-Men Origins: Wolverine | $20,948 | -70% | 48 | -30 | $436 | $2,292,994 | 4 | 20th Century Fox International | false | false |
| 7 | - | Rule Number One | $8,101 | - | 15 | - | $540 | $8,101 | 1 | Mongkol Major | true | false |
| 8 | - | Righteous Kill | $5,193 | - | 1 | - | $5,193 | $5,193 | 1 | N/A | true | false |
| 9 | 8 | The Code | $3,274 | -38.7% | 4 | +2 | $818 | $27,231 | 3 | N/A | false | false |
| 10 | 5 | Primary Love | $2,502 | -90% | 15 | -29 | $166 | $561,983 | 4 | RS Film & Distribution | false | false |
| 11 | 9 | Winged Creatures | $1,980 | -20.8% | 1 | - | $1,980 | $5,819 | 2 | N/A | false | false |
| 12 | 13 | A Frozen Flower | $1,091 | -13.5% | 1 | - | $1,091 | $59,952 | 6 | Mongkol Major | false | false |
| 13 | 12 | The International | $1,084 | -25.7% | 1 | -1 | $1,084 | $55,943 | 6 | Sony Pictures Releasing | false | false |
| 14 | 6 | Horsemen | $547 | -95% | 5 | -31 | $109 | $96,919 | 3 | Mongkol Major | false | false |
| 15 | 17 | The Great Buck Howard | $379 | +86.7% | 1 | - | $379 | $17,085 | 9 | Mongkol Major | false | false |
| 16 | 14 | The Haunting in Connecticut | $334 | -72% | 2 | -2 | $167 | $412,693 | 5 | Mongkol Major | false | false |
| 17 | 15 | Slumdog Millionaire | $292 | -41.9% | 1 | - | $292 | $92,402 | 12 | N/A | false | false |
| 18 | 16 | K-20: The Fiend with Twenty Faces | $168 | -26.6% | 1 | - | $168 | $3,430 | 4 | M Pictures | false | false |
| 19 | 10 | Heartbreak Library | $104 | -95.7% | 1 | -14 | $104 | $14,351 | 3 | N/A | false | false |
| 20 | 18 | Last Chance Harvey | $93 | -25% | 1 | - | $93 | $20,692 | 7 | M Pictures | false | false |
