| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Krai... Nai Hong | $350,848 | - | 100 | - | $3,508 | $350,848 | 1 | Mongkol Film Company | true | false |
| 2 | - | Jolly Rangers | $281,671 | - | 100 | - | $2,816 | $281,671 | 1 | Pranakorn Films | true | false |
| 3 | - | The Book of Eli | $278,742 | - | 49 | - | $5,688 | $278,742 | 1 | Sony Pictures Releasing | true | false |
| 4 | 1 | Percy Jackson & the Olympians: The Lightning Thief | $139,600 | -51.2% | 69 | -36 | $2,023 | $1,452,695 | 3 | 20th Century Fox International | false | false |
| 5 | 2 | True Legend | $75,184 | -59.9% | 50 | -5 | $1,503 | $340,225 | 2 | Mongkol Major | false | false |
| 6 | - | Up in the Air | $60,366 | - | 10 | - | $6,036 | $80,499 | 1 | United International Pictures | true | false |
| 7 | 4 | Little Big Soldier | $54,952 | -56.4% | 48 | -21 | $1,144 | $240,013 | 2 | M Pictures | false | false |
| 8 | 7 | Avatar | $41,158 | -22.8% | 21 | -6 | $1,959 | $8,161,861 | 11 | 20th Century Fox International | false | false |
| 9 | 5 | Valentine's Day | $32,333 | -68.9% | 34 | -13 | $950 | $456,129 | 3 | Warner Bros. | false | false |
| 10 | 3 | The Wolfman | $29,666 | -78.7% | 58 | -19 | $511 | $688,634 | 3 | United International Pictures | false | false |
| 11 | - | Alvin and the Chipmunks: The Squeakquel | $27,175 | - | 8 | - | $3,396 | $27,175 | 1 | 20th Century Fox International | true | false |
| 12 | - | The Hurt Locker | $18,572 | - | 2 | - | $9,286 | $18,572 | 1 | Mongkol Major | true | false |
| 13 | 6 | Confucius | $17,483 | -76.4% | 35 | -13 | $499 | $409,878 | 3 | Mongkol Major | false | false |
| 14 | 10 | The Imaginarium of Doctor Parnassus | $7,108 | -39.7% | 3 | - | $2,369 | $24,208 | 2 | N/A | false | false |
| 15 | 13 | Air Doll | $1,870 | -36.7% | 1 | - | $1,870 | $13,305 | 3 | Mongkol Major | false | false |
| 16 | - | A Serious Man | $1,781 | - | 2 | - | $890 | $1,781 | - | N/A | - | false |
| 17 | 8 | My Valentine | $1,634 | -94.7% | 9 | -38 | $181 | $584,078 | 4 | Five Star Entertainment | false | false |
| 18 | 15 | Julie & Julia | $240 | -85.8% | 1 | - | $240 | $37,746 | 14 | Sony Pictures Releasing | false | false |
| 19 | 11 | From Paris with Love | $176 | -98.1% | 1 | -22 | $176 | $288,874 | 4 | M Pictures | false | false |
| 20 | 14 | Dorian Gray | $121 | -94.4% | 1 | -2 | $121 | $40,726 | 5 | N/A | false | false |
| 21 | 17 | Brothers | $98 | -49.2% | 1 | - | $98 | $78,922 | 8 | Mongkol Major | false | false |
