| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | Fast Five | - | - | - | $4,767,748 | 171 | $4,793,226 | May 5 | United International Pictures | false |
| 2 | Pirates of the Caribbean: On Stranger Tides | - | - | - | $2,959,232 | 200 | $3,576,731 | May 19 | Walt Disney Pictures | false |
| 3 | Laddaland | - | - | - | $2,374,848 | 125 | $3,877,924 | Apr 28 | GMM Tai Hub (GTH) | false |
| 4 | Thor | - | - | - | $1,368,054 | 114 | $2,316,699 | Apr 28 | United International Pictures | false |
| 5 | Kung Fu Panda 2 | - | - | - | $950,590 | 109 | $2,201,177 | May 26 | United International Pictures | false |
| 6 | Priest | - | - | - | $891,161 | 72 | $895,467 | May 12 | Sony Pictures Releasing | false |
| 7 | This Girl Is Bad-Ass!! | - | - | - | $453,467 | 62 | $802,807 | Apr 28 | Mongkol Film Company | false |
| 8 | Loving You, Loving Me | - | - | - | $327,426 | 50 | $327,426 | May 12 | Five Star Entertainment | false |
| 9 | The Hangover Part II | - | - | - | $316,496 | 62 | $854,254 | May 26 | Warner Bros. | false |
| 10 | Something Borrowed | - | - | - | $184,173 | 26 | $183,221 | May 5 | Mongkol Major | false |
| 11 | The Lincoln Lawyer | - | - | - | $110,451 | 14 | $110,451 | May 12 | Mongkol Major | false |
| 12 | White Buffalo | - | - | - | $78,748 | 47 | $78,748 | May 12 | Mongkol Film Company | false |
| 13 | Drive Angry | - | - | - | $77,669 | 56 | $203,159 | Apr 28 | M Pictures | false |
| 14 | King Naresuan: Part Three | - | - | - | $72,775 | 267 | $6,790,191 | Mar 31 | Mongkol Major | false |
| 15 | Battle Los Angeles | - | - | - | $70,680 | 82 | $1,832,494 | Apr 13 | Sony Pictures Releasing | false |
| 16 | August Friends | - | - | - | $68,924 | 47 | $128,384 | May 26 | Mongkol Film Company | false |
| 17 | Rio | - | - | - | $46,019 | 75 | $790,364 | Apr 13 | 20th Century Fox International | false |
| 18 | The Ward | - | - | - | $37,524 | 13 | $37,524 | May 19 | Mongkol Major | false |
| 19 | Limitless | - | - | - | $23,170 | 4 | $85,160 | Apr 21 | - | false |
| 20 | Insidious | - | - | - | $21,935 | 28 | $269,398 | Jun 2 | Mongkol Major | false |
| 21 | Gantz: Perfect Answer | - | - | - | $10,626 | 9 | $18,192 | May 26 | M Pictures | false |
| 22 | Scream 4 | - | - | - | $10,138 | 55 | $261,505 | Apr 21 | M Pictures | false |
| 23 | Big Mommas: Like Father, Like Son | - | - | - | $7,930 | 4 | $16,137 | Apr 28 | - | false |
| 24 | Tomorrow's Joe | - | - | - | $6,624 | 1 | $8,804 | Apr 28 | - | false |
| 25 | The Roommate | - | - | - | $5,141 | 1 | $31,286 | Mar 31 | Sony Pictures Releasing | false |
| 26 | Panda Days 2011 Re-release | - | - | - | $2,046 | 1 | $2,046 | May 12 | M Pictures | false |
| 27 | Winter's Bone | - | - | - | $1,874 | 1 | $7,233 | Apr 21 | M Pictures | false |
