| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | The Little Comedian | $425,221 | - | 117 | - | $3,634 | $425,221 | 1 | GMM Tai Hub (GTH) | true | false |
| 2 | - | Green Zone | $373,083 | - | 127 | - | $2,937 | $373,083 | 1 | United International Pictures | true | false |
| 3 | 1 | Alice in Wonderland | $298,216 | -53.4% | 44 | -2 | $6,777 | $1,313,712 | 2 | Walt Disney Pictures | false | false |
| 4 | 2 | Daybreakers | $59,821 | -65.7% | 44 | -9 | $1,359 | $314,161 | 2 | M Pictures | false | false |
| 5 | 3 | Jolly Rangers | $30,255 | -78.9% | 45 | -15 | $672 | $716,132 | 3 | Pranakorn Films | false | false |
| 6 | 4 | The Book of Eli | $21,217 | -84.7% | 48 | -1 | $442 | $654,644 | 3 | Sony Pictures Releasing | false | false |
| 7 | 7 | Dear John | $19,310 | -64.6% | 25 | -3 | $772 | $98,646 | 2 | Mongkol Major | false | false |
| 8 | - | Tooth Fairy | $17,856 | - | 8 | - | $2,232 | $17,856 | 1 | 20th Century Fox International | true | false |
| 9 | 11 | The Hurt Locker | $14,521 | +13.8% | 2 | -2 | $7,260 | $67,106 | 3 | Mongkol Major | false | false |
| 10 | 8 | Up in the Air | $12,903 | -65.7% | 15 | - | $860 | $179,108 | 3 | United International Pictures | false | false |
| 11 | 5 | Krai... Nai Hong | $11,190 | -89.1% | 39 | -18 | $286 | $687,190 | 3 | Mongkol Film Company | false | false |
| 12 | 6 | Percy Jackson & the Olympians: The Lightning Thief | $6,892 | -89.7% | 19 | -46 | $362 | $1,654,930 | 5 | 20th Century Fox International | false | false |
| 13 | 9 | Hachi: A Dog's Tale | $6,666 | -67.9% | 9 | +1 | $740 | $36,677 | 2 | M Pictures | false | false |
| 14 | 14 | Avatar | $4,836 | -42.5% | 4 | -8 | $1,209 | $8,279,440 | 13 | 20th Century Fox International | false | false |
| 15 | 17 | A Serious Man | $1,472 | -70.2% | 2 | - | $736 | $11,329 | 2 | N/A | false | false |
| 16 | 13 | Alvin and the Chipmunks: The Squeakquel | $814 | -92.8% | 1 | -7 | $814 | $61,493 | 3 | 20th Century Fox International | false | false |
| 17 | 12 | True Legend | $579 | -95.4% | 9 | -20 | $64 | $406,955 | 4 | Mongkol Major | false | false |
| 18 | 10 | Little Big Soldier | $420 | -97.7% | 7 | -24 | $60 | $306,594 | 4 | M Pictures | false | false |
| 19 | 20 | Air Doll | $253 | -81.2% | 1 | - | $253 | $16,607 | 5 | Mongkol Major | false | false |
| 20 | 21 | From Paris with Love | $9 | -98.5% | 1 | -1 | $9 | $292,640 | 6 | M Pictures | false | false |
