| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | The Holy Man 2 | $1,310,693 | - | 166 | - | $7,895 | $1,310,693 | 1 | Pranakorn Films | true | false |
| 2 | 1 | Eagle Eye | $235,980 | -49.1% | 90 | -44 | $2,622 | $850,137 | 2 | United International Pictures | false | false |
| 3 | - | Disaster Movie | $87,933 | - | 45 | - | $1,954 | $87,933 | 1 | Mongkol Film Company | true | false |
| 4 | - | Star Wars: The Clone Wars | $63,053 | - | 48 | - | $1,313 | $69,942 | 1 | Warner Bros. | true | false |
| 5 | 5 | Day of the Dead | $20,811 | -24.1% | 7 | - | $2,973 | $61,574 | 2 | M Pictures | false | false |
| 6 | 2 | You Don't Mess with the Zohan | $20,559 | -71.6% | 40 | -6 | $513 | $822,729 | 4 | Sony Pictures Releasing | false | false |
| 7 | 4 | Cyborg She | $13,140 | -65.6% | 30 | -8 | $438 | $177,641 | 3 | Mongkol Major | false | false |
| 8 | 9 | My Best Friend's Girl | $6,530 | -51.4% | 10 | -6 | $653 | $63,202 | 3 | N/A | false | false |
| 9 | 11 | Mamma Mia! | $5,548 | -28.2% | 8 | -1 | $693 | $290,119 | 6 | United International Pictures | false | false |
| 10 | 3 | Baan Phee Pob 2008 | $5,546 | -90.9% | 35 | -19 | $158 | $285,862 | 3 | N/A | false | false |
| 11 | 13 | The Fall | $4,101 | +13.1% | 1 | - | $4,101 | $9,843 | 2 | Mongkol Major | false | false |
| 12 | 7 | Bangkok Dangerous | $3,111 | -83.2% | 11 | -35 | $282 | $736,805 | 5 | Mongkol Film Company | false | false |
| 13 | 10 | Dive!! | $2,010 | -80.6% | 11 | -10 | $182 | $21,705 | 2 | M Pictures | false | false |
| 14 | 6 | Boon Chu I Love Sara U | $1,838 | -92.1% | 22 | -23 | $83 | $1,261,188 | 6 | Five Star Entertainment | false | false |
| 15 | - | Miracle of Giving Fool | $1,320 | - | 1 | - | $1,320 | $1,320 | 1 | J-Bics | true | false |
| 16 | 17 | Taken | $636 | -42.8% | 1 | - | $636 | $7,775 | 3 | J-Bics | false | false |
| 17 | 8 | Tevada tokmun | $488 | -97.2% | 12 | -25 | $40 | $613,615 | 5 | RS Film & Distribution | false | false |
| 18 | 16 | WALL·E | $414 | -64.9% | 1 | -4 | $414 | $1,339,508 | 8 | Walt Disney Pictures | false | false |
| 19 | 19 | The Dark Knight | $414 | -11.9% | 1 | - | $414 | $2,632,231 | 12 | Warner Bros. | false | false |
| 20 | 15 | Death Race | $267 | -81.2% | 3 | -9 | $89 | $774,741 | 7 | United International Pictures | false | false |
| 21 | 14 | Made of Honor | $264 | -90% | 2 | -9 | $132 | $353,834 | 6 | Sony Pictures Releasing | false | false |
| 22 | 18 | Journey to the Center of the Earth | $244 | -60.4% | 1 | - | $244 | $1,157,727 | 11 | Mongkol Major | false | false |
| 23 | 21 | In Bruges | $238 | +5.3% | 1 | - | $238 | $6,441 | 5 | J-Bics | false | false |
