| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Filme da Treta | $333,763 | - | 35 | - | $9,536 | $333,763 | 1 | LNK Filmes | true | false |
| 2 | - | The Guardian | $221,690 | - | 48 | - | $4,618 | $221,690 | 1 | Zon Lusomundo Audiovisuais | true | false |
| 3 | 1 | Barnyard | $206,862 | -46.7% | 44 | -1 | $4,701 | $594,776 | 2 | Zon Lusomundo Audiovisuais | false | false |
| 4 | 3 | World Trade Center | $162,368 | -25.1% | 43 | -10 | $3,776 | $1,324,242 | 4 | Zon Lusomundo Audiovisuais | false | false |
| 5 | 2 | Click | $162,368 | -47.1% | 43 | +3 | $3,776 | $469,541 | 2 | - | false | false |
| 6 | 4 | The Black Dahlia | $86,952 | -46.4% | 21 | -4 | $4,140 | $249,261 | 2 | Zon Lusomundo Audiovisuais | false | false |
| 7 | - | Little Miss Sunshine | $53,296 | - | 11 | - | $4,845 | $53,296 | 1 | - | true | false |
| 8 | 5 | Lady in the Water | $46,921 | -50.5% | 16 | - | $2,932 | $285,424 | 3 | - | false | false |
| 9 | 8 | Volver | $44,068 | -30.8% | 14 | -2 | $3,147 | $537,299 | 6 | Prisvídeo | false | false |
| 10 | 9 | An Inconvenient Truth | $36,210 | -32.6% | 12 | +1 | $3,017 | $237,706 | 5 | Zon Lusomundo Audiovisuais | false | false |
| 11 | 6 | You, Me and Dupree | $33,418 | -62.5% | 25 | -14 | $1,336 | $1,393,212 | 7 | Zon Lusomundo Audiovisuais | false | false |
| 12 | 7 | Snakes on a Plane | $28,042 | -59.3% | 25 | +1 | $1,121 | $198,052 | 3 | Prisvídeo | false | false |
| 13 | 10 | Little Man | $19,254 | -52.1% | 15 | -1 | $1,283 | $262,519 | 6 | Zon Lusomundo Audiovisuais | false | false |
| 14 | 11 | Open Water 2: Adrift | $18,103 | -50.2% | 7 | - | $2,586 | $103,150 | 3 | Zon Lusomundo Audiovisuais | false | false |
| 15 | 17 | The Lost City | $11,977 | -38.6% | 5 | -2 | $2,395 | $107,837 | 5 | LNK Filmes | false | false |
| 16 | 13 | My Super Ex-Girlfriend | $11,512 | -55.2% | 12 | -9 | $959 | $278,179 | 5 | - | false | false |
| 17 | 14 | See No Evil | $9,610 | -53% | 5 | -2 | $1,922 | $84,608 | 4 | LNK Filmes | false | false |
| 18 | 12 | Garfield: A Tail of Two Kitties | $8,479 | -68.9% | 11 | -6 | $770 | $1,059,688 | 8 | - | false | false |
| 19 | 15 | United 93 | $8,213 | -59.9% | 12 | +5 | $684 | $996,077 | 8 | Zon Lusomundo Audiovisuais | false | false |
| 20 | - | End Game | $7,406 | - | 4 | - | $1,851 | $7,406 | 1 | New Lineo Cinemas | true | false |
