| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Hormones | $551,156 | -48.9% | 107 | -56 | $5,150 | $2,052,141 | 2 | N/A | false | false |
| 2 | - | Ban phi poeb | $228,978 | - | 63 | - | $3,634 | $228,978 | 1 | Mongkol Film Company | true | false |
| 3 | - | The Water Horse | $192,461 | - | 36 | - | $5,346 | $235,962 | 1 | Sony Pictures Releasing | true | false |
| 4 | - | Doomsday | $122,642 | - | 51 | - | $2,404 | $122,642 | 1 | United International Pictures | true | false |
| 5 | - | Fool's Gold | $118,649 | - | 55 | - | $2,157 | $170,751 | 1 | Warner Bros. | true | false |
| 6 | 2 | Step Up 2: The Streets | $57,567 | -60.8% | 39 | -7 | $1,476 | $815,645 | 3 | Mongkol Major | false | false |
| 7 | 3 | Shutter | $42,171 | -70.5% | 48 | -16 | $878 | $353,518 | 2 | N/A | false | false |
| 8 | 4 | The Spiderwick Chronicles | $35,100 | -74.3% | 47 | -32 | $746 | $625,602 | 3 | United International Pictures | false | false |
| 9 | - | Awake | $25,567 | - | 9 | - | $2,840 | $25,567 | 1 | M Pictures | true | false |
| 10 | - | An Empress and the Warriors | $22,824 | - | 13 | - | $1,755 | $22,842 | 1 | N/A | true | false |
| 11 | 5 | Rambo | $12,917 | -84% | 28 | -37 | $461 | $391,166 | 3 | N/A | false | false |
| 12 | 8 | I Could Never Be Your Woman | $11,105 | -40.2% | 14 | +2 | $793 | $37,156 | 2 | Mongkol Major | false | false |
| 13 | 7 | In the Valley of Elah | $10,573 | -58.1% | 13 | -1 | $813 | $45,285 | 2 | Mongkol Major | false | false |
| 14 | 6 | 10,000 BC | $7,535 | -88% | 17 | -38 | $443 | $2,004,427 | 4 | Warner Bros. | false | false |
| 15 | 9 | My Blueberry Nights | $6,971 | -54.1% | 6 | - | $1,161 | $31,924 | 2 | M Pictures | false | false |
| 16 | - | Always: Sunset on Third Street 2 | $6,684 | - | 1 | - | $6,684 | $6,684 | 1 | Mongkol Major | true | false |
| 17 | 12 | Once | $2,612 | -14.8% | 1 | - | $2,612 | $31,034 | 5 | Mongkol Major | false | false |
| 18 | 19 | Beowulf | $988 | +79% | 1 | - | $988 | $1,471,804 | 20 | Warner Bros. | false | false |
| 19 | 11 | No Country for Old Men | $787 | -75.4% | 1 | -4 | $787 | $97,491 | 6 | United International Pictures | false | false |
| 20 | 15 | There Will Be Blood | $748 | -43% | 1 | - | $748 | $20,238 | 6 | N/A | false | false |
| 21 | 14 | The Kite Runner | $629 | -61.5% | 1 | - | $629 | $11,835 | 4 | United International Pictures | false | false |
