| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | The Bedside Detective | $282,719 | -42.5% | 68 | -36 | $4,157 | $1,918,480 | 3 | GMM Tai Hub (GTH) | false | false |
| 2 | - | War | $206,462 | - | 70 | - | $2,949 | $210,828 | 1 | - | true | false |
| 3 | - | Ghost Mother | $186,586 | - | 55 | - | $3,392 | $186,586 | 1 | Pranakorn Films | true | false |
| 4 | - | Gigs: Case of Boøwy 2 | $128,516 | - | 43 | - | $2,988 | $128,516 | 1 | Mono Film | true | false |
| 5 | - | Shoot 'Em Up | $90,406 | - | 49 | - | $1,845 | $90,406 | 1 | Mongkol Major | true | false |
| 6 | 2 | The House | $57,611 | -75.1% | 49 | -43 | $1,175 | $1,297,366 | 3 | RS Film & Distribution | false | false |
| 7 | 3 | Bangkok Love Story | $53,103 | -68.7% | 52 | -15 | $1,021 | $280,740 | 2 | Mongkol Film Company | false | false |
| 8 | 4 | 1408 | $45,915 | -57.6% | 22 | -8 | $2,087 | $192,408 | 2 | M Pictures | false | false |
| 9 | 5 | The Brave One | $37,847 | -62.1% | 60 | -3 | $630 | $185,586 | 2 | Warner Bros. | false | false |
| 10 | 7 | Vacancy | $17,552 | -45.3% | 7 | -2 | $2,507 | $60,943 | 2 | Sony Pictures Releasing | false | false |
| 11 | 6 | I Know Who Killed Me | $12,369 | -66.2% | 16 | +1 | $773 | $62,366 | 2 | Mongkol Major | false | false |
| 12 | 10 | I Now Pronounce You Chuck & Larry | $4,796 | -71.3% | 7 | -22 | $685 | $260,306 | 4 | United International Pictures | false | false |
| 13 | - | Prodigy | $2,963 | - | 1 | - | $2,963 | $2,963 | 1 | M Pictures | true | false |
| 14 | 14 | The Bourne Ultimatum | $2,418 | -37.5% | 3 | -1 | $806 | $1,529,045 | 7 | United International Pictures | false | false |
| 15 | - | It's a Boy Girl Thing | $2,332 | - | 5 | - | $466 | $2,332 | 1 | N/A | true | false |
| 16 | 8 | Muay Thai Fighter | $1,361 | -92.9% | 5 | -35 | $272 | $311,294 | 4 | Five Star Entertainment | false | false |
| 17 | 12 | Rush Hour 3 | $1,033 | -78.7% | 5 | -9 | $206 | $1,582,540 | 6 | Mongkol Major | false | false |
| 18 | 16 | Two Days in Paris | $1,020 | -57% | 1 | - | $1,020 | $15,023 | 4 | Mongkol Major | false | false |
| 19 | 15 | Harry Potter and the Order of the Phoenix | $572 | -78.9% | 1 | - | $572 | $5,624,497 | 11 | Warner Bros. | false | false |
| 20 | 11 | Miracle on 1st Street | $407 | -92.7% | 5 | -4 | $81 | $8,627 | 2 | Box Office Entertainment | false | false |
| 21 | 17 | The Invasion | $313 | -85.1% | 1 | -4 | $313 | $465,821 | 5 | Warner Bros. | false | false |
| 22 | 9 | Khon hew hua | $279 | -98.5% | 2 | -40 | $139 | $515,048 | 4 | Mongkol Film Company | false | false |
| 23 | 20 | Hearty Paws | $127 | -67.3% | 1 | - | $127 | $722 | 2 | J-Bics | false | false |
| 24 | 19 | Bug | $31 | -95.9% | 1 | -9 | $31 | $17,078 | 3 | N/A | false | false |
