| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | You Don't Mess with the Zohan | $177,900 | -52.1% | 54 | - | $3,294 | $648,967 | 2 | Sony Pictures Releasing | false | false |
| 2 | - | Baan Phee Pob 2008 | $147,079 | - | 64 | - | $2,298 | $147,079 | 1 | N/A | true | false |
| 3 | - | Cyborg She | $79,452 | - | 43 | - | $1,847 | $79,452 | 1 | Mongkol Major | true | false |
| 4 | 2 | Bangkok Dangerous | $66,160 | -48% | 60 | -10 | $1,102 | $675,924 | 3 | Mongkol Film Company | false | false |
| 5 | 3 | Boon Chu I Love Sara U | $55,644 | -56.2% | 50 | -6 | $1,112 | $1,198,353 | 4 | Five Star Entertainment | false | false |
| 6 | 4 | Tevada tokmun | $46,592 | -62% | 49 | -9 | $950 | $568,300 | 3 | RS Film & Distribution | false | false |
| 7 | - | My Best Friend's Girl | $28,216 | - | 13 | - | $2,170 | $28,216 | 1 | N/A | true | false |
| 8 | 5 | Khon fai luk | $26,008 | -56.9% | 52 | +2 | $500 | $108,193 | 2 | Mongkol Film Company | false | false |
| 9 | 6 | Mamma Mia! | $20,048 | -36.3% | 20 | -3 | $1,002 | $263,825 | 4 | United International Pictures | false | false |
| 10 | 7 | Made of Honor | $11,825 | -52.8% | 19 | -14 | $622 | $329,936 | 4 | Sony Pictures Releasing | false | false |
| 11 | 8 | Death Race | $8,270 | -58.5% | 30 | -15 | $275 | $761,309 | 5 | United International Pictures | false | false |
| 12 | 12 | The Dark Knight | $5,356 | -10.1% | 2 | -1 | $2,678 | $2,604,559 | 10 | Warner Bros. | false | false |
| 13 | - | Taken | $3,887 | - | 2 | - | $1,943 | $3,887 | 1 | J-Bics | true | false |
| 14 | 13 | Journey to the Center of the Earth | $3,346 | -13.4% | 4 | - | $836 | $1,144,010 | 9 | Mongkol Major | false | false |
| 15 | 10 | WALL·E | $2,994 | -57.5% | 14 | -14 | $213 | $1,323,321 | 6 | Walt Disney Pictures | false | false |
| 16 | - | Dive!! | $2,086 | - | 21 | - | $99 | $2,086 | - | M Pictures | - | false |
| 17 | 9 | The Coffin 2008 Re-release | $1,798 | -84.1% | 11 | -26 | $163 | $889,574 | 5 | N/A | false | false |
| 18 | 11 | Boys Over Flowers: Final | $1,638 | -75.5% | 8 | -19 | $204 | $144,941 | 4 | M Pictures | false | false |
| 19 | 15 | In Bruges | $883 | -34.6% | 1 | - | $883 | $5,419 | 3 | J-Bics | false | false |
| 20 | 18 | The Mummy: Tomb of the Dragon Emperor | $372 | -22.5% | 1 | -1 | $372 | $3,566,276 | 8 | United International Pictures | false | false |
| 21 | 16 | Sukiyaki Western Django | $257 | -76.7% | 1 | -1 | $257 | $5,916 | 3 | M Pictures | false | false |
| 22 | 14 | The Deaths of Ian Stone | $100 | -93.8% | 1 | -8 | $100 | $87,006 | 4 | Mongkol Major | false | false |
| 23 | 17 | Where the Miracle Happens | $24 | -95.1% | 2 | - | $12 | $814,780 | 7 | GMM Tai Hub (GTH) | false | false |
