| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | National Treasure: Book of Secrets | $947,786 | - | 160 | - | $5,923 | $1,305,509 | 1 | Walt Disney Pictures | true | false |
| 2 | 1 | I Am Legend | $393,554 | -63% | 102 | -48 | $3,858 | $2,097,298 | 2 | Warner Bros. | false | false |
| 3 | - | Alvin and the Chipmunks | $125,108 | - | 33 | - | $3,791 | $182,096 | 1 | 20th Century Fox International | true | false |
| 4 | 3 | The Warlords | $115,673 | -52.9% | 55 | -15 | $2,103 | $449,154 | 2 | Mongkol Major | false | false |
| 5 | 2 | The Golden Compass | $72,253 | -71.9% | 59 | -46 | $1,224 | $2,078,965 | 3 | Mongkol Major | false | false |
| 6 | 4 | Ponglang Amazing Theater | $64,489 | -65.7% | 50 | -6 | $1,289 | $2,380,220 | 4 | RS Film & Distribution | false | false |
| 7 | 5 | The Life of Buddha | $30,106 | -56.6% | 35 | -17 | $860 | $439,035 | 3 | N/A | false | false |
| 8 | 6 | The Screen at Kamchanod | $7,200 | -85.8% | 14 | -42 | $514 | $373,713 | 3 | Five Star Entertainment | false | false |
| 9 | 8 | Love of Siam | $3,065 | -81% | 4 | -14 | $766 | $1,256,189 | 5 | Mongkol Film Company | false | false |
| 10 | - | Feast of Love | $2,787 | - | 1 | - | $2,787 | $2,787 | 1 | M Pictures | true | false |
| 11 | 10 | Beowulf | $2,769 | +5.9% | 2 | - | $1,384 | $1,459,177 | 6 | Warner Bros. | false | false |
| 12 | 7 | Bee Movie | $2,115 | -87% | 3 | -28 | $705 | $118,045 | 3 | United International Pictures | false | false |
| 13 | 9 | Lust, Caution | $2,035 | -34.8% | 3 | - | $678 | $41,400 | 5 | Walt Disney Pictures | false | false |
| 14 | 11 | No Reservations | $992 | -31.3% | 1 | -1 | $992 | $84,232 | 4 | Warner Bros. | false | false |
