| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 2 | The Bedside Detective | $491,791 | -30% | 104 | -28 | $4,728 | $1,468,696 | 2 | GMM Tai Hub (GTH) | false | false |
| 2 | 1 | The House | $231,185 | -69.1% | 92 | -28 | $2,512 | $1,167,496 | 2 | RS Film & Distribution | false | false |
| 3 | - | Bangkok Love Story | $169,897 | - | 67 | - | $2,535 | $169,897 | 1 | Mongkol Film Company | true | false |
| 4 | - | 1408 | $108,167 | - | 30 | - | $3,605 | $109,659 | 1 | M Pictures | true | false |
| 5 | - | The Brave One | $99,832 | - | 63 | - | $1,584 | $107,640 | 1 | Warner Bros. | true | false |
| 6 | - | I Know Who Killed Me | $36,632 | - | 15 | - | $2,442 | $36,632 | 1 | Mongkol Major | true | false |
| 7 | - | Vacancy | $32,082 | - | 9 | - | $3,564 | $32,032 | 1 | Sony Pictures Releasing | true | false |
| 8 | 4 | Muay Thai Fighter | $19,262 | -67.6% | 40 | -12 | $481 | $302,328 | 3 | Five Star Entertainment | false | false |
| 9 | 3 | Khon hew hua | $18,112 | -78.8% | 42 | -18 | $431 | $509,442 | 3 | Mongkol Film Company | false | false |
| 10 | 5 | I Now Pronounce You Chuck & Larry | $16,713 | -67.3% | 29 | -21 | $576 | $249,172 | 3 | United International Pictures | false | false |
| 11 | - | Miracle on 1st Street | $5,566 | - | 9 | - | $618 | $5,566 | 1 | Box Office Entertainment | true | false |
| 12 | 6 | Rush Hour 3 | $4,851 | -84.8% | 14 | -23 | $346 | $1,495,600 | 5 | Mongkol Major | false | false |
| 13 | - | War | $4,327 | - | 17 | - | $254 | $4,327 | - | - | - | false |
| 14 | 9 | The Bourne Ultimatum | $3,869 | -60.5% | 4 | -2 | $967 | $1,525,221 | 6 | United International Pictures | false | false |
| 15 | 10 | Harry Potter and the Order of the Phoenix | $2,707 | -30.2% | 1 | - | $2,707 | $5,623,259 | 10 | Warner Bros. | false | false |
| 16 | 11 | Two Days in Paris | $2,372 | -33.4% | 1 | - | $2,372 | $12,999 | 3 | Mongkol Major | false | false |
| 17 | 7 | The Invasion | $2,100 | -90% | 5 | -23 | $420 | $464,584 | 4 | Warner Bros. | false | false |
| 18 | 15 | Hunting and Gathering | $1,067 | -48% | 1 | - | $1,067 | $3,939 | 2 | N/A | false | false |
| 19 | 8 | Bug | $747 | -93.7% | 10 | -5 | $74 | $16,691 | 2 | N/A | false | false |
| 20 | - | Hearty Paws | $388 | - | 1 | - | $388 | $388 | 1 | J-Bics | true | false |
| 21 | 12 | The Condemned | $333 | -90.3% | 2 | -8 | $166 | $188,516 | 4 | N/A | false | false |
| 22 | 18 | Paris, I Love You | $275 | -73.3% | 1 | - | $275 | $42,825 | 9 | N/A | false | false |
| 23 | 13 | Premonition | $213 | -91.4% | 1 | - | $213 | $10,094 | 3 | N/A | false | false |
| 24 | 14 | Hwang Jin Yi | $195 | -92% | 1 | -9 | $195 | $20,811 | 3 | N/A | false | false |
