| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Saturday Killer | $271,543 | - | 117 | - | $2,320 | $271,543 | 1 | Pranakorn Films | true | false |
| 2 | - | Detective Dee: The Mystery of the Phantom Flame | $148,494 | - | 53 | - | $2,801 | $148,494 | 1 | Mongkol Major | true | false |
| 3 | - | Devil | $116,695 | - | 33 | - | $3,536 | $116,695 | 1 | United International Pictures | true | false |
| 4 | 2 | Eternity | $99,385 | -51% | 49 | -25 | $2,028 | $1,036,845 | 3 | Mongkol Film Company | false | false |
| 5 | 1 | Resident Evil: Afterlife | $95,203 | -54.1% | 72 | -41 | $1,322 | $3,343,083 | 4 | Mongkol Major | false | false |
| 6 | 3 | The Extraordinary Adventures of Adèle Blanc-Sec | $74,933 | -49.4% | 49 | -4 | $1,529 | $294,171 | 2 | M Pictures | false | false |
| 7 | 4 | Wall Street: Money Never Sleeps | $69,557 | -39.4% | 38 | -3 | $1,830 | $232,297 | 2 | 20th Century Fox International | false | false |
| 8 | 5 | The Snow White | $50,278 | -55.2% | 44 | -8 | $1,142 | $238,690 | 2 | N/A | false | false |
| 9 | 6 | Kuan Mun Ho | $33,513 | -45.8% | 34 | -12 | $985 | $4,387,292 | 7 | GMM Tai Hub (GTH) | false | false |
| 10 | - | The Switch | $24,246 | - | 5 | - | $4,849 | $24,246 | 1 | Mongkol Major | true | false |
| 11 | 7 | Legend of the Fist: The Return of Chen Zhen | $8,448 | -84.7% | 44 | -7 | $192 | $91,664 | 2 | Mongkol Major | false | false |
| 12 | 8 | A Little Thing Called Love | $7,905 | -69.5% | 13 | -25 | $608 | $2,652,890 | 8 | Mongkol Film Company | false | false |
| 13 | 9 | Toy Story 3 | $6,227 | -11.9% | 2 | +1 | $3,113 | $1,526,259 | 8 | Walt Disney Pictures | false | false |
| 14 | 12 | Oceans | $2,052 | -34.1% | 1 | - | $2,052 | $11,963 | 3 | N/A | false | false |
| 15 | 15 | The Back-up Plan | $1,539 | +5.8% | 2 | -2 | $769 | $62,298 | 7 | Sony Pictures Releasing | false | false |
| 16 | 11 | Inception | $1,226 | -66.5% | 1 | -1 | $1,226 | $2,087,414 | 12 | Warner Bros. | false | false |
| 17 | 10 | Piranha 3D | $1,144 | -72.6% | 2 | -3 | $572 | $719,270 | 6 | M Pictures | false | false |
| 18 | 13 | Aftershock | $848 | -66.1% | 1 | - | $848 | $12,404 | 4 | Mongkol Major | false | false |
| 19 | 20 | Step Up 3D | $463 | +184% | 1 | - | $463 | $1,903,317 | 9 | Mongkol Major | false | false |
| 20 | - | Beyond a Reasonable Doubt | $346 | - | 1 | - | $346 | $4,521 | 7 | N/A | false | false |
| 21 | 16 | The Expendables | $272 | -65.8% | 2 | -2 | $136 | $1,101,568 | 6 | N/A | false | false |
| 22 | 18 | The American | $229 | -69.5% | 1 | - | $229 | $13,463 | 5 | N/A | false | false |
| 23 | 19 | MacGruber | $193 | +14.9% | 1 | -1 | $193 | $10,421 | 7 | Mongkol Major | false | false |
| 24 | 17 | Going the Distance | $137 | -82.6% | 1 | - | $137 | $91,968 | 5 | Warner Bros. | false | false |
