| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | E-Tim tai nae | $409,531 | - | 105 | - | $3,900 | $409,531 | 1 | Mongkol Film Company | true | false |
| 2 | 1 | The Holy Man 2 | $370,202 | -71.8% | 98 | -68 | $3,777 | $2,037,285 | 2 | Pranakorn Films | false | false |
| 3 | - | Body of Lies | $261,315 | - | 79 | - | $3,307 | $285,079 | 1 | N/A | true | false |
| 4 | 2 | Eagle Eye | $85,108 | -63.9% | 59 | -31 | $1,442 | $1,018,066 | 3 | United International Pictures | false | false |
| 5 | 3 | Disaster Movie | $36,307 | -58.7% | 42 | -3 | $864 | $158,101 | 2 | Mongkol Film Company | false | false |
| 6 | - | Amusement | $33,102 | - | 22 | - | $1,504 | $33,102 | 1 | Mongkol Major | true | false |
| 7 | 4 | Star Wars: The Clone Wars | $17,866 | -71.7% | 40 | -8 | $446 | $107,351 | 2 | Warner Bros. | false | false |
| 8 | 5 | Day of the Dead | $4,237 | -79.6% | 8 | +1 | $529 | $74,696 | 3 | M Pictures | false | false |
| 9 | 9 | Mamma Mia! | $3,224 | -41.9% | 4 | -4 | $806 | $294,750 | 7 | United International Pictures | false | false |
| 10 | 6 | You Don't Mess with the Zohan | $2,636 | -87.2% | 14 | -26 | $188 | $834,512 | 5 | Sony Pictures Releasing | false | false |
| 11 | 11 | The Fall | $2,533 | -38.2% | 1 | - | $2,533 | $13,937 | 3 | Mongkol Major | false | false |
| 12 | 8 | My Best Friend's Girl | $1,698 | -74% | 2 | -8 | $849 | $67,348 | 4 | N/A | false | false |
| 13 | 7 | Cyborg She | $1,530 | -88.4% | 7 | -23 | $218 | $185,941 | 4 | Mongkol Major | false | false |
| 14 | 10 | Baan Phee Pob 2008 | $640 | -88.5% | 8 | -27 | $80 | $290,063 | 4 | N/A | false | false |
| 15 | 15 | Miracle of Giving Fool | $406 | -69.2% | 1 | - | $406 | $2,328 | 2 | J-Bics | false | false |
| 16 | 19 | The Dark Knight | $346 | -16.4% | 1 | - | $346 | $2,634,891 | 13 | Warner Bros. | false | false |
| 17 | 16 | Taken | $292 | -54.1% | 1 | - | $292 | $8,370 | 4 | J-Bics | false | false |
| 18 | 13 | Dive!! | $180 | -91% | 2 | -9 | $90 | $23,310 | 3 | M Pictures | false | false |
| 19 | 23 | In Bruges | $161 | -32.4% | 1 | - | $161 | $6,775 | 6 | J-Bics | false | false |
| 20 | 12 | Bangkok Dangerous | $108 | -96.5% | 1 | -10 | $108 | $738,487 | 6 | Mongkol Film Company | false | false |
