| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | You Don't Mess with the Zohan | $371,224 | - | 54 | - | $6,874 | $371,224 | 1 | Sony Pictures Releasing | true | false |
| 2 | 1 | Bangkok Dangerous | $127,335 | -63.1% | 70 | -22 | $1,819 | $567,348 | 2 | Mongkol Film Company | false | false |
| 3 | 3 | Boon Chu I Love Sara U | $126,902 | -53.8% | 56 | -14 | $2,266 | $1,111,226 | 3 | Five Star Entertainment | false | false |
| 4 | 2 | Tevada tokmun | $122,694 | -59% | 58 | -17 | $2,115 | $490,570 | 2 | RS Film & Distribution | false | false |
| 5 | - | Khon fai luk | $60,289 | - | 50 | - | $1,205 | $60,289 | 1 | Mongkol Film Company | true | false |
| 6 | 5 | Mamma Mia! | $31,489 | -47.7% | 23 | -4 | $1,369 | $236,359 | 3 | United International Pictures | false | false |
| 7 | 4 | Made of Honor | $25,027 | -62.8% | 33 | -1 | $758 | $310,045 | 3 | Sony Pictures Releasing | false | false |
| 8 | 6 | Death Race | $19,915 | -64.4% | 45 | -13 | $442 | $745,309 | 4 | United International Pictures | false | false |
| 9 | 7 | The Coffin 2008 Re-release | $11,309 | -79.4% | 37 | -14 | $305 | $884,482 | 4 | N/A | false | false |
| 10 | 9 | WALL·E | $7,050 | -65.2% | 28 | -9 | $251 | $1,210,269 | 5 | Walt Disney Pictures | false | false |
| 11 | 8 | Boys Over Flowers: Final | $6,673 | -77.8% | 27 | -6 | $247 | $141,739 | 3 | M Pictures | false | false |
| 12 | 11 | The Dark Knight | $5,957 | -23.8% | 3 | - | $1,985 | $2,596,557 | 9 | Warner Bros. | false | false |
| 13 | 12 | Journey to the Center of the Earth | $3,863 | -23% | 4 | -1 | $965 | $1,139,037 | 8 | Mongkol Major | false | false |
| 14 | 10 | The Deaths of Ian Stone | $1,608 | -89.2% | 9 | -22 | $178 | $86,309 | 3 | Mongkol Major | false | false |
| 15 | 15 | In Bruges | $1,350 | -24.5% | 1 | - | $1,350 | $3,861 | 2 | J-Bics | false | false |
| 16 | 13 | Sukiyaki Western Django | $1,102 | -56.8% | 2 | - | $551 | $5,075 | 2 | M Pictures | false | false |
| 17 | 14 | Where the Miracle Happens | $492 | -75.1% | 2 | -10 | $246 | $813,514 | 6 | GMM Tai Hub (GTH) | false | false |
| 18 | 16 | The Mummy: Tomb of the Dragon Emperor | $480 | -56% | 2 | -5 | $240 | $3,565,433 | 7 | United International Pictures | false | false |
| 19 | 17 | Evangelion: 1.0 You Are (Not) Alone | $274 | -58.7% | 1 | - | $274 | $8,868 | 4 | N/A | false | false |
