| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | In the Shadow of Naga | $483,889 | - | 90 | - | $5,376 | $483,889 | 1 | Mongkol Film Company | true | false |
| 2 | 1 | The Little Comedian | $257,316 | -39.5% | 94 | -23 | $2,737 | $920,872 | 2 | GMM Tai Hub (GTH) | false | false |
| 3 | 3 | Alice in Wonderland | $183,133 | -38.6% | 43 | -1 | $4,258 | $1,644,742 | 3 | Walt Disney Pictures | false | false |
| 4 | 2 | Green Zone | $139,497 | -62.6% | 100 | -27 | $1,394 | $644,544 | 2 | United International Pictures | false | false |
| 5 | - | When in Rome | $107,017 | - | 27 | - | $3,963 | $122,851 | 1 | Walt Disney Pictures | true | false |
| 6 | - | How to Train Your Dragon | $46,057 | - | 23 | - | $2,002 | $46,057 | 1 | United International Pictures | true | false |
| 7 | 4 | Daybreakers | $19,150 | -68% | 31 | -13 | $617 | $364,402 | 3 | M Pictures | false | false |
| 8 | 8 | Tooth Fairy | $12,371 | -30.7% | 8 | - | $1,546 | $40,513 | 2 | 20th Century Fox International | false | false |
| 9 | 5 | Jolly Rangers | $12,100 | -60% | 29 | -16 | $417 | $746,734 | 4 | Pranakorn Films | false | false |
| 10 | 9 | The Hurt Locker | $9,431 | -35.1% | 2 | - | $4,715 | $82,383 | 4 | Mongkol Major | false | false |
| 11 | 6 | The Book of Eli | $7,239 | -65.9% | 26 | -22 | $278 | $672,981 | 4 | Sony Pictures Releasing | false | false |
| 12 | 10 | Up in the Air | $6,908 | -46.5% | 10 | -5 | $690 | $191,891 | 4 | United International Pictures | false | false |
| 13 | 7 | Dear John | $5,183 | -73.2% | 16 | -9 | $323 | $113,395 | 3 | Mongkol Major | false | false |
| 14 | - | It's Complicated | $4,984 | - | 8 | - | $623 | $4,984 | - | United International Pictures | - | false |
| 15 | 13 | Hachi: A Dog's Tale | $3,036 | -54.5% | 8 | -1 | $379 | $43,084 | 3 | M Pictures | false | false |
| 16 | - | My One and Only | $2,755 | - | 1 | - | $2,755 | $2,755 | 1 | M Pictures | true | false |
| 17 | 14 | Avatar | $2,583 | -46.6% | 3 | -1 | $861 | $8,283,855 | 14 | 20th Century Fox International | false | false |
| 18 | 12 | Percy Jackson & the Olympians: The Lightning Thief | $1,612 | -76.6% | 10 | -9 | $161 | $1,660,301 | 6 | 20th Century Fox International | false | false |
| 19 | 11 | Krai... Nai Hong | $1,193 | -89.3% | 13 | -26 | $91 | $695,855 | 4 | Mongkol Film Company | false | false |
| 20 | - | Nomad: The Warrior | $1,002 | - | 1 | - | $1,002 | $1,002 | 1 | Mongkol Major | true | false |
| 21 | 15 | A Serious Man | $952 | -35.3% | 2 | - | $476 | $13,123 | 3 | N/A | false | false |
| 22 | - | Julie & Julia | $457 | - | 1 | - | $457 | $38,570 | 17 | Sony Pictures Releasing | false | false |
| 23 | 16 | Alvin and the Chipmunks: The Squeakquel | $401 | -50.7% | 1 | - | $401 | $62,515 | 4 | 20th Century Fox International | false | false |
| 24 | 19 | Air Doll | $253 | - | 1 | - | $253 | $17,076 | 6 | Mongkol Major | false | false |
| 25 | 17 | True Legend | $102 | -82.4% | 2 | -7 | $51 | $407,331 | 5 | Mongkol Major | false | false |
| 26 | 18 | Little Big Soldier | $13 | -96.9% | 2 | -5 | $6 | $306,823 | 5 | M Pictures | false | false |
