| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Red Cliff | $6,752,188 | - | 545 | - | $12,389 | $6,752,188 | 1 | Toho-Towa | true | false |
| 2 | 1 | Suspect X | $3,012,545 | +6% | 410 | - | $7,347 | $36,443,955 | 5 | Toho | false | false |
| 3 | - | Where the Legend Lives | $1,661,695 | - | 326 | - | $5,097 | $1,661,695 | 1 | Toei Company | true | false |
| 4 | - | The Handsome Suit | $1,474,802 | - | 233 | - | $6,329 | $1,474,802 | 1 | Asmik Ace Entertainment | true | false |
| 5 | 2 | Eagle Eye | $1,211,763 | -21.1% | 310 | - | $3,908 | $10,120,256 | 3 | Herald Film Company | false | false |
| 6 | 4 | Journey to the Center of the Earth | $1,069,017 | -7.9% | 104 | - | $10,279 | $3,060,906 | 2 | Gaga | false | false |
| 7 | 3 | The Homeless Student | $941,407 | -22.8% | 309 | - | $3,046 | $3,198,851 | 2 | Toho | false | false |
| 8 | 5 | P.S. I Love You | $915,956 | -18.5% | 280 | +1 | $3,271 | $6,738,111 | 3 | Toho-Towa | false | false |
| 9 | 6 | Ichi | $600,839 | -45.5% | 253 | +1 | $2,374 | $2,617,643 | 2 | Warner Bros. | false | false |
| 10 | 8 | Departures | $487,015 | -9.4% | 216 | -3 | $2,254 | $26,097,546 | 8 | Shochiku | false | false |
| 11 | 7 | Free and Easy 19 | $363,044 | -58.1% | 179 | +1 | $2,028 | $1,904,617 | 2 | Shochiku | false | false |
| 12 | 11 | The Other Boleyn Girl | $356,854 | -17.5% | 148 | - | $2,411 | $1,579,812 | 2 | - | false | false |
| 13 | 9 | Farewell Kamen Rider Den-O: Final Countdown | $354,197 | -33.6% | 148 | -7 | $2,393 | $6,374,901 | 5 | Toei Company | false | false |
| 14 | 10 | Paco and the Magical Book | $353,137 | -20% | 266 | -14 | $1,327 | $22,650,527 | 8 | Toho | false | false |
| 15 | 12 | Ponyo | $347,787 | -10.4% | 343 | -138 | $1,013 | $152,566,114 | 16 | Toho | false | false |
| 16 | 16 | Iron Man | $46,001 | -78.3% | 76 | -271 | $605 | $8,577,540 | 6 | Sony Pictures Releasing | false | false |
| 17 | 28 | Before the Devil Knows You're Dead | $22,920 | +47.6% | 3 | +1 | $7,640 | $139,583 | 4 | Sony Pictures Releasing | false | false |
| 18 | 29 | Zombie Strippers! | $1,271 | -75.9% | 4 | -3 | $317 | $60,975 | 4 | Sony Pictures Releasing | false | false |
| 19 | 31 | Pistol Whipped | $112 | +41.8% | 1 | - | $112 | $80,916 | 8 | Sony Pictures Releasing | false | false |
