| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | King Naresuan 4 | - | - | - | $4,239,700 | 258 | $4,441,109 | Aug 11 | Mongkol Film Company | false |
| 2 | Rise of the Planet of the Apes | - | - | - | $1,604,741 | 90 | $1,613,428 | Aug 4 | 20th Century Fox International | false |
| 3 | Final Destination 5 | - | - | - | $1,494,240 | 97 | $1,643,726 | Aug 18 | Warner Bros. | false |
| 4 | Captain America: The First Avenger | - | - | - | $1,362,311 | 160 | $2,484,526 | Jul 28 | United International Pictures | false |
| 5 | Cowboys & Aliens | - | - | - | $651,411 | 110 | $1,025,547 | Aug 25 | United International Pictures | false |
| 6 | Harry Potter and the Deathly Hallows: Part 2 | - | - | - | $601,192 | 278 | $6,707,511 | Jul 14 | Warner Bros. | false |
| 7 | Bad Teacher | - | - | - | $442,658 | 28 | $458,232 | Aug 11 | Sony Pictures Releasing | false |
| 8 | Pumpuang | - | - | - | $336,593 | 80 | $1,485,095 | Jul 22 | Mongkol Film Company | false |
| 9 | Transformers: Dark of the Moon | - | - | - | $328,570 | 332 | $9,706,040 | Jun 29 | United International Pictures | false |
| 10 | One Day | - | - | - | $296,496 | 26 | $366,551 | Aug 18 | M Pictures | false |
| 11 | Conan the Barbarian | - | - | - | $284,702 | 64 | $471,014 | Aug 25 | Mongkol Major | false |
| 12 | Dead Bite | - | - | - | $187,276 | 53 | $360,414 | Jul 28 | Pranakorn Films | false |
| 13 | Kon Khon | - | - | - | $179,344 | 44 | $255,058 | Aug 25 | Mongkol Film Company | false |
| 14 | Horrible Bosses | - | - | - | $86,008 | 23 | $142,164 | Jul 28 | Warner Bros. | false |
| 15 | Larry Crowne | - | - | - | $80,187 | 19 | $80,187 | Aug 4 | Mongkol Major | false |
| 16 | Dragon | - | - | - | $60,703 | 39 | $122,967 | Jul 28 | Mongkol Major | false |
| 17 | The Dragon Pearl | - | - | - | $35,091 | 12 | $35,091 | Aug 11 | M Pictures | false |
| 18 | The Lost Bladesman | - | - | - | $12,513 | 41 | $330,018 | Jul 14 | Mongkol Major | false |
| 19 | Hanna | - | - | - | $9,574 | 23 | $148,406 | Jul 21 | Sony Pictures Releasing | false |
| 20 | Come Rain, Come Shine | - | - | - | $9,272 | 1 | $11,442 | Aug 18 | Mongkol Major | false |
| 21 | Tomboy | - | - | - | $8,965 | 1 | $10,882 | Aug 11 | M Pictures | false |
| 22 | The Tree of Life | - | - | - | $3,561 | 4 | $52,263 | Jul 7 | - | false |
| 23 | Water for Elephants | - | - | - | $3,338 | 6 | $21,202 | Jul 21 | - | false |
| 24 | A Better Life | - | - | - | $2,429 | 1 | $4,032 | Jul 28 | Mongkol Major | false |
