| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Resident Evil: Afterlife | $1,644,490 | - | 274 | - | $6,001 | $1,644,490 | 1 | Mongkol Major | true | false |
| 2 | 1 | Kuan Mun Ho | $186,582 | -62.7% | 59 | -31 | $3,162 | $3,910,390 | 4 | GMM Tai Hub (GTH) | false | false |
| 3 | 3 | A Little Thing Called Love | $98,565 | -51.6% | 51 | -18 | $1,932 | $2,393,054 | 5 | Mongkol Film Company | false | false |
| 4 | 2 | The Expendables | $32,715 | -87.3% | 56 | -17 | $584 | $1,037,292 | 3 | N/A | false | false |
| 5 | 5 | Sabaidee 2 | $26,993 | -74.6% | 41 | -7 | $658 | $184,872 | 2 | N/A | false | false |
| 6 | 8 | Going the Distance | $18,290 | -48.7% | 11 | - | $1,662 | $69,682 | 2 | Warner Bros. | false | false |
| 7 | 4 | Piranha 3D | $17,827 | -90.5% | 24 | -39 | $742 | $659,691 | 3 | M Pictures | false | false |
| 8 | 9 | Toy Story 3 | $12,954 | -61.3% | 3 | -16 | $4,318 | $1,443,834 | 5 | Walt Disney Pictures | false | false |
| 9 | 7 | Machete | $9,481 | -82.2% | 26 | -19 | $364 | $92,120 | 2 | Mongkol Major | false | false |
| 10 | 6 | Brown Sugar | $4,974 | -93.5% | 13 | -31 | $382 | $317,015 | 3 | Mongkol Film Company | false | false |
| 11 | 15 | Inception | $3,281 | +3.5% | 3 | -1 | $1,093 | $2,010,027 | 9 | Warner Bros. | false | false |
| 12 | 14 | The American | $2,420 | -34.5% | 1 | - | $2,420 | $8,100 | 2 | N/A | false | false |
| 13 | - | Aftershock | $1,924 | - | 1 | - | $1,924 | $1,924 | 1 | Mongkol Major | true | false |
| 14 | 10 | Ngao: Kamkrai Kamman | $978 | -83.6% | 5 | -4 | $195 | $27,353 | 3 | N/A | false | false |
| 15 | 11 | Salt | $674 | -86.9% | 1 | -5 | $674 | $1,514,843 | 6 | Sony Pictures Releasing | false | false |
| 16 | 12 | The Back-up Plan | $618 | -86.1% | 3 | -1 | $206 | $50,947 | 4 | Sony Pictures Releasing | false | false |
| 17 | 18 | Centurion | $128 | -83.6% | 1 | - | $128 | $4,067 | 3 | N/A | false | false |
| 18 | 20 | Triple Tap | $87 | -77.8% | 1 | - | $87 | $738 | 2 | Mongkol Major | false | false |
| 19 | 17 | Samanchan | $8 | -99.5% | 6 | -20 | $1 | $2,088 | 2 | N/A | false | false |
